5/16" x 3/8" Short Box Wrench - Stanley Proto Industrial Tools

The Stanley Proto Industrial Tools J1120 5/16" x 3/8" Short Box Wrench is engineered for professional technicians and mechanics requiring precise and reliable fastening in confined spaces. This double-ended wrench combines a compact design with advanced Torqueplus™ technology to deliver exceptional performance and durability for demanding automotive and industrial applications.

Key Features

• Satin Finish: Provides robust corrosion resistance while offering a slip-resistant grip, ensuring secure handling in various work environments.
• Torqueplus™ Boxed Ends: Designed to engage fastener flats rather than corners, this system allows for applying up to 15% more torque, significantly reducing the risk of fastener rounding. It also provides a superior grip on stubborn, worn, or rounded fasteners, extending their life.
• 12-Point Design: The 12-point box end allows for fine indexing, enhancing speed and access, and is compatible with 4, 6, and 12-point fasteners.
• Short Length: At just 4-1/4 inches, its compact profile is specifically crafted for optimal maneuverability in tight or obstructed areas.
• Professional-Grade Construction: Manufactured from durable forged alloy steel, this wrench meets stringent Fed'l Specs: GGG-W-636E and ANSI Spec.: B107.6 standards, ensuring quality and reliability.

Applications

This short box wrench is an indispensable tool for tasks in automotive engine compartments, industrial machinery, and other applications where space is limited. It is ideal for tightening and loosening nuts and bolts, particularly those that are corroded or have damaged edges, thanks to the Torqueplus™ system's ability to maintain a strong grip and minimize slippage.

Specifications

• Length: 4-1/4"
• Weight: 0.07 lbs
• Socket Size: 5/16" x 3/8"
• Socket Type: 12 POINT
• Specifications: Fed'l Specs: GGG-W-636E, ANSI Spec.: B107.6
• Head Outside Width (C): 33/64"
• Head Outside Width (C1): 37/64"
• Head Height (D): 17/64"
• Head Height (D1): 19/64"