PROTO Box End Wrench: Chrome, 27 mm_30 mm Head Size, 16 in Overall Lg
The PROTO J1077M is a metric, double-end, 12-point box end wrench with a chrome finish. It features 27 mm and 30 mm head sizes, a 16-inch overall length, and an offset design.
SKU 3G-OTH-278558
Need installation or engineering help?
Ask a question
Product Description
The PROTO J1077M is a metric, double-end, 12-point box end wrench with a chrome finish. It features 27 mm and 30 mm head sizes, a 16-inch overall length, and 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 J1077M box end wrench used for?
The PROTO J1077M is a double-end, 12-point box end wrench used for tightening or loosening metric fasteners in industrial maintenance, assembly, and repair applications. Its 27 mm and 30 mm heads and 16-inch length provide leverage for heavy-duty tasks in plant machinery and equipment.
What are the specifications of the PROTO J1077M wrench?
The PROTO J1077M is a metric, double-end, 12-point box end wrench with a chrome finish. It has 27 mm and 30 mm head sizes, a 16-inch overall length, and an offset design. The manufacturer part number is J1077M. PROTO is the brand.
Where to buy the PROTO J1077M wrench worldwide?
3G Electric supplies and delivers the PROTO J1077M box end wrench worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure the wrench reaches your facility, whether in North America, Europe, Asia, or elsewhere.
How to select the right PROTO box end wrench size?
To select the correct PROTO box end wrench, match the wrench head size to the fastener nut or bolt dimension. For the J1077M, use the 27 mm end on 27 mm fasteners and the 30 mm end on 30 mm fasteners. Ensure the offset design provides clearance over obstructions.
Used in
Common applications for PROTOPROTO Products
3G Electric supplies PROTO metric, 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.













