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PROTO Combination Wrench: Alloy Steel, Black Oxide, 21 mm Head Size, 11 3/4 in Overall Lg - Metric 12-Point Combination Wrenches
PROTOMetric 12-Point Combination Wrenches

PROTO Combination Wrench: Alloy Steel, Black Oxide, 21 mm Head Size, 11 3/4 in Overall Lg

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
Combination Wrench: Alloy Steel, Black Oxide, 21 mm Head Size, 11 3/4 in Overall Lg
Category
Metric 12-Point Combination Wrenches
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Technical Specifications

PROTO
Manufacturer Part Number
J1221MBASD
Type
Black Oxide, Offset
Overall Lg
11 3/4 in
Head Size
21 mm
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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.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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
Automotive assembly — PROTO J72102 impact socket set for fastening lug nuts on production lines
Heavy equipment maintenance — PROTO J3772T flare nut wrench for hydraulic line fittings on excavators
General industrial repair — PROTO J795SA adjustable wrench set for tightening bolts on conveyor systems
Aerospace manufacturing — PROTO J5240A slotted bit socket for adjusting fasteners in confined spaces
Oil and gas pipeline work — PROTO J5438 12-point socket for valve assembly in refineries
Construction site toolkits — PROTO J8179-T500 double box wrench for structural steel bolting

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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