OMX4277 Features: * Set screw holds bit * Replaceable bit * 2 piece design * Drive Size: 3/8 in * Drive Type: Square * Tip Type: Hex * Measuring System: Metric * Locking Type: Ball * Material: Forged Alloy Steel Color/Finish: * Finish: Nickel Chrome Dimensions: * Bit Length: 17.500 mm * Overall Length: 45.200 mm