Proto® J4990-9M Standard Length Socket Driver Bit, 3/8 in Drive, 9 mm, 41.3 mm L Bit

J4990-9M MFG #: J4990-9M
$23.47 / BX
Estimated Delivery 7 to 10 Business Days
Proto® J4990-9M Standard Length Socket Driver Bit, 3/8 in Drive, 9 mm, 41.3 mm L Bit
  • Manufacturer: Stanley Black & Decker
  • Type: Standard Length
  • Measurement System: Metric
  • Drive Size: 3/8
  • Bit Type: Hex
  • Bit Size: 9
  • Bit Length: 41.3
  • Overall Length: 2-23/32
  • Material: Alloy Steel
  • Finish: Full Polished/Chrome Plated
  • Brand: Proto®
Proto® Socket Driver Bit, Standard Length, Measurement System: Metric, 3/8 in Drive, Hex Bit, 9 mm Bit, 41.3 mm Bit Length, 2-23/32 in Overall Length, Alloy Steel, Polished Chrome
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  • Made using a heat treated alloy for wear resistance which helps minimize distortion for a long life
  • 2-piece design allows replacement of worn bits
  • 1409MRKA replacement shaft
  • Hex opening holds the bit allowing the bit holder to take the torque load
Made using a heat treated alloy for wear resistance which helps minimize distortion for a long life
2-piece design allows replacement of worn bits
1409MRKA replacement shaft
Hex opening holds the bit allowing the bit holder to take the torque load