Proto, J5221M, Socket, 3/8 in Drive; 21 mm, 12-Point, Full Polish Chrome, Metal

Crafted by Proto, this 21 mm socket features a 3/8 inch drive with a full polish chrome finish, making it not only durable but also an aesthetically pleasing tool to have in any collection. The innovative TorquePlus internal design is specifically engineered to minimize fastener rounding, which extends the life of fasteners while enhancing usability on worn, rounded, or rusted bolts. With its 12-point configuration, this socket excels at gripping stubborn or damaged fasteners, allowing for easy engagement and efficient application of torque thanks to its unique radius-corner design. Ideal for both professionals and DIY enthusiasts, this socket is an essential addition to any toolset, promoting performance and reliability in various mechanical tasks.

Features

• The TorquePlus internal design minimizes fastener rounding, helps to extend fastener life, and allows the user to more easily turn worn, rounded, or rusted fasteners
• Proto 12 Point Sockets are ideal for use on stubborn or damaged fasteners, and also on fasteners made from soft materials
• The TorquePlus design is a high performance drive configuration which allows for quick and easy socket engagement to the fastener flats, not the corners
• The TorquePlus configuration employs a radius-corner design, shifting contact area and stress away from the fastener corners and distributing contact stresses over a large area of the socket, minimizing slippage

Prop 65

• No

• Drive Size: 3/8 in
• Size: 21 mm
• Points: 12-point
• Length: 1.200 in
• Height: 1.000 in
• Width: 1.000 in
• Weight: 0.180 lbs
• Material: Metal
• Finish: Full Polish Chrome
• Impact Or Standard: Standard
• Deep Sockets Included: No
• Etched Or Stamped: Yes
• Color Coded: No
• Country of Origin: United States
• Warranty: MWC