Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

MILWAUKEE Cross Line Laser: 2 Lines and 0 Dots, Green Beam, 0 Planes - Cross-Line Laser Levels
MILWAUKEECross-Line Laser Levels

MILWAUKEE Cross Line Laser: 2 Lines and 0 Dots, Green Beam, 0 Planes

The MILWAUKEE Cross Line Laser: 2 Lines and 0 Dots is a cross-line laser level that projects two green lines with electronic self-leveling. It operates on AA batteries and offers an accuracy of +/- 1/8 in @ 33 ft…

SKU 3G-OTH-290037

Brand
MILWAUKEE
Item
Cross Line Laser: 2 Lines and 0 Dots, Green Beam, 0 Planes
Category
Cross-Line Laser Levels
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

MILWAUKEE
Manufacturer Part Number
3421
Type
Green Beam, +/- 1/8 in @ 33 ft Accuracy
Planes
0
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

MILWAUKEE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MILWAUKEE Cross Line Laser: 2 Lines and 0 Dots is a cross-line laser level that projects two green lines with electronic self-leveling. It operates on AA batteries and offers an accuracy of +/- 1/8 in @ 33 ft. This tool is designed for leveling and alignment tasks.

Frequently Asked Questions

What is the MILWAUKEE Cross Line Laser 3421 used for?

The MILWAUKEE Cross Line Laser 3421 projects two green cross lines for leveling and alignment tasks. It is used in construction, framing, electrical, and plumbing applications to ensure accurate horizontal and vertical references. The electronic self-leveling feature simplifies setup on tripods or surfaces.

What are the specifications of the MILWAUKEE Cross Line Laser 3421?

The MILWAUKEE Cross Line Laser 3421 is a green-beam, cross-line laser with two lines and zero dots. It offers an accuracy of +/- 1/8 in @ 33 ft and features electronic self-leveling. Power is supplied by AA batteries. The manufacturer part number is 3421.

Where to buy the MILWAUKEE Cross Line Laser 3421 worldwide?

You can source the MILWAUKEE Cross Line Laser 3421 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide competitive sourcing for this tool.

How to maintain the MILWAUKEE Cross Line Laser 3421?

To maintain the MILWAUKEE Cross Line Laser 3421, keep the lens clean using a soft, dry cloth and store the unit in its protective case when not in use. Replace AA batteries promptly when the beam dims. Avoid dropping the laser; recalibrate if accuracy is suspect. Follow the manufacturer's manual for electronic self-leveling care.

Used in

Common applications for MILWAUKEE
Electrical panel assembly — Milwaukee U-style crimping dies (49-16-U250) for 250 kcmil copper lugs
Automotive repair — Milwaukee 1/2 in drive impact sockets (49-66-6242) for removing lug nuts
Construction framing — Milwaukee hex bit sockets (45-34-1079) for driving hex-head screws
Industrial maintenance — Milwaukee cordless crimping tool kit (2678-22BG) for cable terminations
Tool repair — Milwaukee cord set (22-64-0121) for replacing damaged power cords on equipment

MILWAUKEE Products

3G Electric supplies MILWAUKEE cross-line laser levels. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
MILWAUKEE Laser with Battery: 2 Lines and 2 Dots, Green Beam, 0 Planes, +/- 1/8 in @ 33 ft Accuracy (MPN 3622-20, 48-11-2430). Key specifications — attr935979: M12; attr934757: MILWAUKEE; attr936112: +/- 1/8 in @ 33 ft; attr936114: Electronic Self-Leveling; attr935981: (1) Bare Tool.
MILWAUKEE
MILWAUKEE Laser with Battery: 2 Lines and 2 Dots, Green Beam, 0 Planes, +/- 1/8 in @ 33 ft Accuracy (MPN 3622-20, 48-11-2430). Key specifications — attr935979: M12; attr934757: MILWAUKEE; attr936112: +/- 1/8 in @ 33 ft; attr936114: Electronic Self-Leveling; attr935981: (1) Bare Tool.
MILWAUKEE Laser with Battery: 2 Lines and 4 Dots, Green Beam, 0 Planes, +/- 1/8 in @ 33 ft Accuracy (MPN 3624-20, 48-11-2430). Key specifications — attr935979: M12; attr934757: MILWAUKEE; attr936112: +/- 1/8 in @ 33 ft; attr936114: Manual Leveling; attr935981: (1) Bare Tool.
MILWAUKEE
MILWAUKEE Laser with Battery: 2 Lines and 4 Dots, Green Beam, 0 Planes, +/- 1/8 in @ 33 ft Accuracy (MPN 3624-20, 48-11-2430). Key specifications — attr935979: M12; attr934757: MILWAUKEE; attr936112: +/- 1/8 in @ 33 ft; attr936114: Manual Leveling; attr935981: (1) Bare Tool.
MILWAUKEE Laser Kit with Battery: 2 Lines and 2 Dots, Green Beam, 0 Planes, Horizontal/Vertical (MPN 3622-21, 48-11-2440). Key specifications — attr935979: M12; attr934757: MILWAUKEE; attr936112: +/- 1/8 in @ 33 ft; attr936114: Electronic Self-Leveling; attr935981: Case.
MILWAUKEE
MILWAUKEE Laser Kit with Battery: 2 Lines and 2 Dots, Green Beam, 0 Planes, Horizontal/Vertical (MPN 3622-21, 48-11-2440). Key specifications — attr935979: M12; attr934757: MILWAUKEE; attr936112: +/- 1/8 in @ 33 ft; attr936114: Electronic Self-Leveling; attr935981: Case.
MILWAUKEE Single Plane Laser: 0 Lines and 0 Dots, Green Beam, 1 Planes, +/- 1/8 in @ 33 ft Accuracy (MPN 3631-20). Key specifications — attr935979: M12; attr934757: MILWAUKEE; attr936112: +/- 1/8 in @ 33 ft; attr936114: Electronic Self-Leveling; attr935981: Case.
MILWAUKEE
MILWAUKEE Single Plane Laser: 0 Lines and 0 Dots, Green Beam, 1 Planes, +/- 1/8 in @ 33 ft Accuracy (MPN 3631-20). Key specifications — attr935979: M12; attr934757: MILWAUKEE; attr936112: +/- 1/8 in @ 33 ft; attr936114: Electronic Self-Leveling; attr935981: Case.
MILWAUKEE Laser Kit with Battery: 2 Lines and 4 Dots, Green Beam, 0 Planes, Horizontal/Vertical (MPN 3624-21, 48-11-2440). Key specifications — attr935979: M12; attr934757: MILWAUKEE; attr936112: +/- 1/8 in @ 33 ft; attr936114: Manual Leveling; attr935981: Case.
MILWAUKEE
MILWAUKEE Laser Kit with Battery: 2 Lines and 4 Dots, Green Beam, 0 Planes, Horizontal/Vertical (MPN 3624-21, 48-11-2440). Key specifications — attr935979: M12; attr934757: MILWAUKEE; attr936112: +/- 1/8 in @ 33 ft; attr936114: Manual Leveling; attr935981: Case.
MILWAUKEE Laser Level: 3 Lines and 0 Dots, Green Beam, 3 Planes, 100 - 200 ft Range w/o detector (MPN 3642-21). Key specifications — attr935979: Li-Ion; attr934757: MILWAUKEE; attr936112: ±1/8 in @ 33 ft; attr936114: Electronic Self-Leveling; attr935981: Receiver Clamp.
MILWAUKEE
MILWAUKEE Laser Level: 3 Lines and 0 Dots, Green Beam, 3 Planes, 100 - 200 ft Range w/o detector (MPN 3642-21). Key specifications — attr935979: Li-Ion; attr934757: MILWAUKEE; attr936112: ±1/8 in @ 33 ft; attr936114: Electronic Self-Leveling; attr935981: Receiver Clamp.

More from MILWAUKEE

View all MILWAUKEE parts
MILWAUKEE Cross Line Laser Kit: Green Beam, 100 - 200 ft Range w/o detector, Included, M12 (MPN 3622-21). Key specifications — attr935979: M12; attr934757: MILWAUKEE; attr936112: ±1/8 in @ 33 ft; attr936114: Pendulum Self-Leveling; attr935981: Charger.
MILWAUKEE
MILWAUKEE Cross Line Laser Kit: Green Beam, 100 - 200 ft Range w/o detector, Included, M12 (MPN 3622-21). Key specifications — attr935979: M12; attr934757: MILWAUKEE; attr936112: ±1/8 in @ 33 ft; attr936114: Pendulum Self-Leveling; attr935981: Charger.
MILWAUKEE Cross Line Laser: 2 Lines and 4 Dots, Green Beam, 0 Planes, +/- 1/8 in @ 33 ft Accuracy (MPN 3624-20). Key specifications — attr935979: M12; attr934757: MILWAUKEE; attr936112: +/- 1/8 in @ 33 ft; attr936114: Electronic Self-Leveling; attr935981: Case.
MILWAUKEE
MILWAUKEE Cross Line Laser: 2 Lines and 4 Dots, Green Beam, 0 Planes, +/- 1/8 in @ 33 ft Accuracy (MPN 3624-20). Key specifications — attr935979: M12; attr934757: MILWAUKEE; attr936112: +/- 1/8 in @ 33 ft; attr936114: Electronic Self-Leveling; attr935981: Case.
MILWAUKEE Cross Line Laser: Green Beam, 100 - 200 ft Range w/o detector, ±1/8 in @ 33 ft Accuracy (MPN 3622-20). Key specifications — attr935979: M12; attr934757: MILWAUKEE; attr936112: ±1/8 in @ 33 ft; attr936114: Pendulum Self-Leveling.
MILWAUKEE
MILWAUKEE Cross Line Laser: Green Beam, 100 - 200 ft Range w/o detector, ±1/8 in @ 33 ft Accuracy (MPN 3622-20). Key specifications — attr935979: M12; attr934757: MILWAUKEE; attr936112: ±1/8 in @ 33 ft; attr936114: Pendulum Self-Leveling.
MILWAUKEE Line Laser Kit: 2 Lines and 0 Dots, Green Beam, 100 - 200 ft Range w/o detector, Included (MPN 3522-21, 2163-21). Key specifications — attr935979: Li-Ion; attr934757: MILWAUKEE; attr936112: ±1/8 in @ 33 ft; attr935981: (2) Batteries, Charger, Case, Floor Mount, Headlamp.
MILWAUKEE
MILWAUKEE Line Laser Kit: 2 Lines and 0 Dots, Green Beam, 100 - 200 ft Range w/o detector, Included (MPN 3522-21, 2163-21). Key specifications — attr935979: Li-Ion; attr934757: MILWAUKEE; attr936112: ±1/8 in @ 33 ft; attr935981: (2) Batteries, Charger, Case, Floor Mount, Headlamp.
MILWAUKEE Cross Line Laser Kit: 2 Lines and 4 Dots, Green Beam, 0 Planes, Horizontal/Vertical, M12 (MPN 3624-21). Key specifications — attr935979: M12; attr934757: MILWAUKEE; attr936112: +/- 1/8 in @ 33 ft; attr936114: Electronic Self-Leveling; attr935981: Case.
MILWAUKEE
MILWAUKEE Cross Line Laser Kit: 2 Lines and 4 Dots, Green Beam, 0 Planes, Horizontal/Vertical, M12 (MPN 3624-21). Key specifications — attr935979: M12; attr934757: MILWAUKEE; attr936112: +/- 1/8 in @ 33 ft; attr936114: Electronic Self-Leveling; attr935981: Case.
MILWAUKEE Line Laser Kit: 2 Lines and 0 Dots, Green Beam, 100 - 200 ft Range w/o detector, Included (MPN 3521-21, 2163-21). Key specifications — attr935979: Li-Ion; attr934757: MILWAUKEE; attr936112: ±1/8 in @ 33 ft; attr935981: (2) Batteries, Charger, Case, Headlamp.
MILWAUKEE
MILWAUKEE Line Laser Kit: 2 Lines and 0 Dots, Green Beam, 100 - 200 ft Range w/o detector, Included (MPN 3521-21, 2163-21). Key specifications — attr935979: Li-Ion; attr934757: MILWAUKEE; attr936112: ±1/8 in @ 33 ft; attr935981: (2) Batteries, Charger, Case, Headlamp.