PROTO Box End Wrench: Alloy Steel, Chrome, 1/4 in_3/8 in_3/16 in_5/16 in Head Size
The PROTO Box End Wrench (MPN J1112) is an SAE, 4-in-1, 4-point, ratcheting box end wrench made of alloy steel with a chrome finish. It features a reversing mechanism and includes head sizes of 1/4 in, 3/8 in, 3/16…
SKU 3G-OTH-400943
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Product Description
The PROTO Box End Wrench (MPN J1112) is an SAE, 4-in-1, 4-point, ratcheting box end wrench made of alloy steel with a chrome finish. It features a reversing mechanism and includes head sizes of 1/4 in, 3/8 in, 3/16 in, and 5/16 in. This tool is designed for standard applications and is not a flex-head model.
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 J1112 box end wrench used for?
The PROTO J1112 is a 4-in-1 ratcheting box end wrench for tightening or loosening fasteners in confined spaces. Its reversing mechanism and four SAE head sizes (1/4 in, 3/8 in, 3/16 in, 5/16 in) make it ideal for automotive, industrial, and maintenance applications where speed and access are critical.
What are the specifications of the PROTO J1112 wrench?
The PROTO J1112 is an alloy steel, chrome-finished, SAE 4-in-1 ratcheting box end wrench with a reversing mechanism. It includes head sizes of 1/4 in, 3/8 in, 3/16 in, and 5/16 in. It is a standard (non-flex-head) design with a 4-point drive pattern for square fasteners.
Where to buy the PROTO J1112 wrench worldwide?
3G Electric supplies the PROTO J1112 box end wrench to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this PROTO tool.
How to maintain the PROTO J1112 ratcheting wrench?
To maintain the PROTO J1112, clean the chrome finish with a dry cloth after use and apply light machine oil to the ratcheting mechanism periodically. Avoid using the wrench on damaged or rounded fasteners to prevent wear. Store in a dry environment to prevent corrosion.
Used in
Common applications for PROTOPROTO Products
3G Electric supplies PROTO sae, 4-in-1, 4-point, ratcheting box end wrenches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.







