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
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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 PROTOPROTO 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.















