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PROTO J1221MBASD Metric 12-Point Combination Wrench, 21 mm, Black Oxide, Offset - Metric 12-Point Combination Wrenches
PROTOMetric 12-Point Combination Wrenches

PROTO J1221MBASD Metric 12-Point Combination Wrench, 21 mm, Black Oxide, Offset

The PROTO J1221MBASD is a metric 12-point combination wrench made from alloy steel with a black oxide finish. It features a 21 mm head size and an 11 3/4 in overall length with an offset design.

SKU 3G-OTH-300752

Brand
PROTO
Item
J1221MBASD Metric 12-Point Combination Wrench, 21 mm, Black Oxide, Offset
Part Number
J1221MBASD
Category
Metric 12-Point Combination Wrenches
Available to Order
Also known as:J1221MBASDPROTO
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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
J1221MBASD
Type
Black Oxide, 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 J1221MBASD is a metric 12-point combination wrench made from alloy steel with a black oxide finish. It features a 21 mm head size and an 11 3/4 in overall length with an offset design.

Frequently Asked Questions

What is the PROTO J1221MBASD combination wrench used for?

The PROTO J1221MBASD 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 black oxide finish offer durability and corrosion resistance.

What are the specifications of the PROTO J1221MBASD wrench?

The PROTO J1221MBASD is a metric 12-point combination wrench with a 21 mm head size and an 11 3/4 in overall length. It is made from alloy steel with a black oxide finish and features an offset design. The manufacturer part number is J1221MBASD.

Where to buy the PROTO J1221MBASD wrench worldwide?

You can source the PROTO J1221MBASD combination wrench 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.

How to select the correct PROTO combination wrench size?

To select the correct PROTO combination wrench, match the wrench head size to the fastener's nut or bolt head dimension. For the J1221MBASD, use a 21 mm fastener. Ensure the wrench type (12-point) fits the fastener profile. The offset design helps clear obstructions during tightening.

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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