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PROTO J1221MASD Metric 12-Point Combination Wrench, 21 mm, Satin Finish, Offset - Metric 12-Point Combination Wrenches
PROTOMetric 12-Point Combination Wrenches

PROTO J1221MASD Metric 12-Point Combination Wrench, 21 mm, Satin Finish, Offset

The PROTO J1221MASD is a metric 12-point combination wrench made from alloy steel with a satin finish. It features a 21 mm head size and an 11 3/4 in overall length with an offset design. This PROTO wrench is a…

SKU 3G-OTH-300017

Brand
PROTO
Item
J1221MASD Metric 12-Point Combination Wrench, 21 mm, Satin Finish, Offset
Part Number
J1221MASD
Category
Metric 12-Point Combination Wrenches
Available to Order
Also known as:J1221MASDPROTO
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

PROTO
Manufacturer Part Number
J1221MASD
Type
Satin, Offset
Overall Lg
11 3/4 in
Head Size
21 mm

Technical Documents

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

Product Description

The PROTO J1221MASD is a metric 12-point combination wrench made from alloy steel with a satin finish. It features a 21 mm head size and an 11 3/4 in overall length with an offset design. This PROTO wrench is a 12-point combination type.

Frequently Asked Questions

What is the PROTO J1221MASD combination wrench used for?

The PROTO J1221MASD is a metric 12-point combination wrench used for tightening and loosening fasteners in industrial maintenance, automotive repair, and mechanical assembly. Its 21 mm head size and offset design provide access to recessed bolts. The alloy steel construction and satin finish offer durability and corrosion resistance.

What are the specifications of the PROTO J1221MASD wrench?

The PROTO J1221MASD is a metric 12-point combination wrench with a 21 mm head size and an 11 3/4 in overall length. It features an offset design and is made from alloy steel with a satin finish. The manufacturer part number is J1221MASD, and it is a PROTO-branded tool.

Where to buy the PROTO J1221MASD wrench worldwide?

You can source the PROTO J1221MASD combination wrench worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We supply PROTO tools to industrial buyers globally.

How to select the right PROTO combination wrench size?

To select the correct PROTO combination wrench, match the wrench size to the fastener head dimension. For metric fasteners, use a 21 mm wrench like the J1221MASD for a 21 mm bolt head. Ensure the 12-point design fits square or hex fasteners. The offset design helps clear obstructions in tight spaces.

Used in

Common applications for PROTO
Industrial maintenance — PROTO J6014CXCERT micrometer torque wrench for tightening fasteners to 50–250 ft-lb with tether capability.
Assembly operations — PROTO J6345A electronic torque wrench for 5–50 ft-lb control with audible and visual indicators.
Plumbing and mechanical — PROTO J812HD straight pipe wrench with 2 in jaw capacity for gripping and turning pipes.
Precision fastening — PROTO J61929 multi-bit screw and nut driver kit with 26 alloy steel bits for assembly and maintenance.
Tool organization — PROTO JUC3743-3SG heavy-duty utility cart with drawers, power strip, and padlock for shop floor use.
Metric fastener service — PROTO JSCVM-20SB 20-piece ratcheting combination wrench set covering 6 mm to 32 mm.
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PROTO Products

3G Electric supplies PROTO metric 12-point combination wrenches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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