PROTO Double Box Wrench: Alloy Steel, Chrome, 7/8 in_15/16 in Head Size
The PROTO Double Box Wrench is an SAE double-end, 12-point box end wrench made from alloy steel with a chrome finish. It features head sizes of 7/8 in and 15/16 in, with an overall length of 13 1/2 in (MPN J1028A).
SKU 3G-OTH-275359
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Product Description
The PROTO Double Box Wrench is an SAE double-end, 12-point box end wrench made from alloy steel with a chrome finish. It features head sizes of 7/8 in and 15/16 in, with an overall length of 13 1/2 in (MPN J1028A).
Frequently Asked Questions
What is the PROTO Double Box Wrench used for?
The PROTO Double Box Wrench is used for tightening or loosening fasteners in industrial maintenance, automotive repair, and mechanical assembly. Its 12-point box ends grip hex nuts and bolts securely, making it suitable for high-torque applications where slip resistance is critical.
What are the specifications of the PROTO Double Box Wrench J1028A?
The PROTO J1028A is an SAE double-end, 12-point box wrench made from alloy steel with a chrome finish. It has head sizes of 7/8 in and 15/16 in, with an overall length of 13 1/2 in. The PROTO brand ensures durable construction for repeated industrial use.
Where to buy the PROTO Double Box Wrench worldwide?
You can source the PROTO Double Box Wrench J1028A through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time on this PROTO wrench.
How to select the right PROTO double box wrench size?
To select the correct PROTO double box wrench, match the wrench head size to your fastener's hex dimension. For the J1028A, the 7/8 in and 15/16 in ends fit corresponding SAE bolts. Ensure the 12-point design aligns with your torque requirements and access constraints in tight spaces.
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Common applications for PROTOPROTO Products
3G Electric supplies PROTO sae, double end, 12-point, box end wrenches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














