Proto Socket Driver Bit, Standard Length, Measurement System: Metric, 3/8 in Drive, Hex Bit, 10 mm Bit, 41.3 mm Bit Length, 2-23/32 in Overall Length, Alloy Steel, Polished Chrome

ITEM FEATURES:

• 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
• 1410MRKA replacement shaft
• Hex opening holds the bit allowing the bit holder to take the torque load