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 engineerMessage via Telegram
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

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

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

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

Compatible alternatives & equivalents

Cross-referenced 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)
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)
Green beam laser level projecting two cross lines and four dots for layout and alignment. Manual leveling with accuracy of ±1/8 in @ 33 ft. Suitable for construction, electrical, and HVAC tasks requiring reference points on walls, ceilings, and floors
MILWAUKEE
Green beam laser level projecting two cross lines and four dots for layout and alignment. Manual leveling with accuracy of ±1/8 in @ 33 ft. Suitable for construction, electrical, and HVAC tasks requiring reference points on walls, ceilings, and floors
MILWAUKEE Laser Kit with Battery: 2 Lines and 2 Dots, Green Beam, 0 Planes, Horizontal/Vertical (MPN 3622-21, 48-11-2440)
MILWAUKEE
MILWAUKEE Laser Kit with Battery: 2 Lines and 2 Dots, Green Beam, 0 Planes, Horizontal/Vertical (MPN 3622-21, 48-11-2440)
This MILWAUKEE laser level projects a single green plane with electronic self-leveling and an accuracy of +/- 1/8 in @ 33 ft. Powered by the M12 system, it is suited for alignment and leveling tasks such as installing cabinets, shelving, or drop ceilings. Includes a protective carrying case
MILWAUKEE
This MILWAUKEE laser level projects a single green plane with electronic self-leveling and an accuracy of +/- 1/8 in @ 33 ft. Powered by the M12 system, it is suited for alignment and leveling tasks such as installing cabinets, shelving, or drop ceilings. Includes a protective carrying case
MILWAUKEE Laser Kit with Battery: 2 Lines and 4 Dots, Green Beam, 0 Planes, Horizontal/Vertical (MPN 3624-21, 48-11-2440)
MILWAUKEE
MILWAUKEE Laser Kit with Battery: 2 Lines and 4 Dots, Green Beam, 0 Planes, Horizontal/Vertical (MPN 3624-21, 48-11-2440)
This plane laser level projects a green beam across three lines on three planes, with a range of 100 to 200 ft without a detector. It is suited for layout, alignment, and leveling tasks in construction and interior finishing, providing wall, floor, and ceiling references
MILWAUKEE
This plane laser level projects a green beam across three lines on three planes, with a range of 100 to 200 ft without a detector. It is suited for layout, alignment, and leveling tasks in construction and interior finishing, providing wall, floor, and ceiling references

More from MILWAUKEE

View all MILWAUKEE parts
This cross-line laser level projects two green beams for leveling, alignment, and layout tasks. It has a range of 100 to 200 ft without a detector and accuracy of ±1/8 in @ 33 ft. The kit includes a Li-Ion battery system, two batteries, charger, case, and headlamp
MILWAUKEE
This cross-line laser level projects two green beams for leveling, alignment, and layout tasks. It has a range of 100 to 200 ft without a detector and accuracy of ±1/8 in @ 33 ft. The kit includes a Li-Ion battery system, two batteries, charger, case, and headlamp
MILWAUKEE Cross Line Laser Kit: Green Beam, 100 - 200 ft Range w/o detector, Included, M12 (MPN 3622-21)
MILWAUKEE
MILWAUKEE Cross Line Laser Kit: Green Beam, 100 - 200 ft Range w/o detector, Included, M12 (MPN 3622-21)
MILWAUKEE Cross Line Laser: 2 Lines and 4 Dots, Green Beam, 0 Planes, +/- 1/8 in @ 33 ft Accuracy (MPN 3624-20)
MILWAUKEE
MILWAUKEE Cross Line Laser: 2 Lines and 4 Dots, Green Beam, 0 Planes, +/- 1/8 in @ 33 ft Accuracy (MPN 3624-20)
MILWAUKEE Cross Line Laser: Green Beam, 100 - 200 ft Range w/o detector, ±1/8 in @ 33 ft Accuracy (MPN 3622-20)
MILWAUKEE
MILWAUKEE Cross Line Laser: Green Beam, 100 - 200 ft Range w/o detector, ±1/8 in @ 33 ft Accuracy (MPN 3622-20)
MILWAUKEE Line Laser Kit: 2 Lines and 0 Dots, Green Beam, 100 - 200 ft Range w/o detector, Included (MPN 3522-21, 2163-21)
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)
MILWAUKEE Cross Line Laser Kit: 2 Lines and 4 Dots, Green Beam, 0 Planes, Horizontal/Vertical, M12 (MPN 3624-21)
MILWAUKEE
MILWAUKEE Cross Line Laser Kit: 2 Lines and 4 Dots, Green Beam, 0 Planes, Horizontal/Vertical, M12 (MPN 3624-21)