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
Non-Stock Item
- Manufacturer: Stanley Black & Decker
- Request For Quote: No
- 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
- 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