Draper 1 4 f x 1 4 m quick release stainless steel mag bit holder 65mm draper 82410 1 4 hex male x 1 4 female with quick release for use in power drills and driver handles carbon steel shaft male hexagon hardened and tempered male hexagon with the bit holder female hexagon from stainless steel quick release collet allows bits to be expelled quickly and efficiently display packed draper 82410 1 4 f x 1 4 m 65mm quick release s steel mag bit holder