Proto, J4990-4MST, Hex Bit Socket, 3/8 in Drive, 4 mm, Full Polish Chrome, Standard

Engineered for precision and durability, this hex bit socket from Proto offers a robust solution for a variety of fastening applications. Made of high-quality alloy steel, it features a polished chrome finish that not only enhances its aesthetic appeal but also provides excellent resistance to wear and distortion, ensuring a long lifespan. Designed with a 3/8 inch drive and a 4 mm hex opening, this socket securely holds the bit while allowing the bit holder to withstand substantial torque loads, making it an indispensable tool for both professionals and DIY enthusiasts alike. With its heat-treated construction, this standard hex bit socket excels in performance and reliability, ready to tackle the toughest jobs in demanding work environments.

Features

• Made of alloy steel. Polished chrome finish
• Made using a heat-treated alloy for wear-resistance which helps minimize distortion for a long life
• Hex opening holds the bit allowing the bit holder to take the torque load

Prop 65

• No

• Drive Size: 3/8 in
• Size: 4 mm
• Length: 1.100 in
• Height: 0.750 in
• Width: 0.750 in
• Weight: 0.090 lbs
• Material: Metal, Alloy Steel
• Finish: Full Polish Chrome
• Heat Treatment: Heat-Treated
• Product Type: HEX BIT SOCKET
• Impact Or Standard: Standard
• Etched Or Stamped: Yes
• Color Coded: No
• Country of Origin: United States
• Warranty: MWC