Quickly convert your Xtender Pole into a drill This new Keyless Chuck Adapter accepts standard round and hex shank bit pairs with any 38"" or 12"" drill and even finger-tightens for easy bit changes Keyless design chuck securely holds round-shank drill bits Chuck finger tightens for easy bit changes Accepts round and hex shank bits Keyless chuck has a size range of 0032"" - 0394"" 08 - 10mm Pair with any 38"" or 12"" drill