Proto J5221M TorquePlus Standard Length Socket Metric, 3/8 in Square Drive, 21 mm

Product Description

The Proto TorquePlus J5221M is a standard length socket designed for effective fastening. This model features a three-eighths inch square drive and a metric size of twenty-one millimeters. It is suitable for use on stubborn or damaged fasteners, including those made from soft materials.

• TorquePlus design for efficient fastener engagement
• Made from alloy steel for durability and strength
• Non-impact rated for precision use

Product Highlights

This socket minimizes fastener rounding and aids in turning worn or rusted fasteners with ease.

Product Information

Standard Information

• Brand: Proto
• MPN: STAPR-J5221M

Technical Specifications

• Overall Length: 32.4 mm
• Opening Depth: 14.3 mm
• Socket Size: 21 mm
• Drive Size: 3/8 in
• Drive Type: Square
• Socket Type: 12 Point
• Finish: Full Polished
• Locking Type: Ball
• Impact Rated: No
• Material: Alloy Steel
• Bolt Clearance Depth: 16.2 mm
• Drive End Width: 27.8 mm
• Socket End Width: 27.8 mm
• Number of Points: 12
• Measurement System: Metric
• Type: Standard Length