Proto, J5021M-TT, Tool Tether Accessory, 3/8 in Drive; 21 mm; 12 Point; Tethered

This tool tether accessory from Proto is designed to enhance your efficiency and safety when working with fasteners. Featuring a 12-point design with a TorquePlus internal configuration, it effectively minimizes fastener rounding and extends the life of your tools while making it easier to engage with worn, rusted, or damaged fasteners. The innovative radius-corner design shifts contact stress away from fastener corners, ensuring consistent performance and reducing slippage during use. Additionally, the chrome finish provides excellent corrosion resistance, making these sockets ideal for tackling even the most stubborn fasteners, including those made from softer materials. With a Positive Control System that requires a separate tool for attachment and removal, this accessory ensures that it remains securely in place until you intend to take it off. The Proto Tethered Tool Sockets are crafted with four detent holes to ensure proper engagement on any square drive, offering reliable performance in a variety of working conditions.

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
• 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
• Chrome finish is applied after the holes are bored for better corrosion resistance
• 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 Positive Control System requires a separate tool to attach or remove the socket, meaning it cannot be removed without specific intent
• Proto Tethered Tool Sockets are manufactured with four detent holes so that the pin detent will engage correctly regardless of the direction the socket is placed on the square drive

• Length: 2.800 in
• Height: 1.100 in
• Width: 1.100 in
• Weight: 0.350 lbs
• Drive Size: 3/8 in
• Socket Size: 21 mm
• Point Configuration: 12 Point
• Finish: Chrome
• Country of Origin: United States