Proto J54210A 22pc Metric Socket Set 1/2 in Drive

Product Description

The PROTO J54210A is a 22-piece metric socket set built for professional mechanics, maintenance technicians, and industrial tradespeople who need a reliable 1/2 inch drive socket assortment on the job. The set covers 10 mm through 26 mm in full metric increments using 12-point chrome sockets machined from steel. A 1/2 inch pear head ratchet, hinge handle, universal joint, and two extensions (5 inch and 10 inch) are included, making this a self-contained working kit rather than just a socket assortment. The chrome finish resists corrosion and makes cleanup straightforward in shop environments. PROTO backs the set with a lifetime warranty.

This set is suited for under-hood automotive work, fleet maintenance, equipment repair, and general industrial fastener work where metric fasteners and 1/2 inch drive torque are the standard. The full 10 mm to 26 mm range handles the majority of metric bolt heads encountered in passenger vehicles, light trucks, and mechanical equipment. The included extensions and universal joint allow access to fasteners in tight or angled locations without switching to a different drive system. The cardboard box packaging keeps components organized during transport to job sites.

Key Features

• 22-piece set covering 10 mm through 26 mm in full metric increments
• 1/2 inch drive, 12-point socket profile for engagement on standard and worn hex fasteners
• Includes 1/2 inch pear head ratchet, hinge handle, and universal joint
• Two extensions included: 5 inch and 10 inch
• Chrome finish on steel construction for corrosion resistance and easy cleaning
• Lifetime warranty from PROTO

Compatibility

Designed for use with standard 1/2 inch drive ratchets, breaker bars, torque wrenches, and impact accessories that accept 1/2 inch drive square drive sockets.

Installation Notes

Installation and removal of fasteners with this set should be performed by a qualified mechanic or maintenance technician familiar with appropriate torque requirements for the application. Always ensure the socket is fully seated on the fastener before applying torque to prevent rounding. Disconnect power, disable ignition systems, or de-energize equipment as required by the specific repair procedure before beginning work. Store sockets in the provided case to prevent loss and maintain organization between jobs.