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Hand Tools/Sockets

Proto J4990-4M-TT 3/8" Drive Full Polish Hex Bit Socket

TETHER-READY 3/8" HEX BIT SOCKET - 4 MM
Item #: PROT J4990-4M-TT

Product Info

PROTO
J4990-4M-TT

TETHER-READY 3/8” HEX BIT SOCKET – 4 MM TETHER-READY 3/8” HEX BIT SOCKET – 4 MM

•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.
•The Positive Control System requires a separate tool to attach or remove the socket, meaning it cannot be removed without specific intent.
•Chrome finish is applied after the holes are bored for better corrosion resistance.
•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.

Item Specifications

  • 1-5/8In
  • USA
  • 3/8In
  • Full Polish
  • Metric
  • 2-23/32-Inch
  • 4 MM
  • Hex
  • 662679117719
  • 0.12 LB
  • 0.12 lbs per EA
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