ITEM NAME:3 X Socket Adaptor Set 1/4 to 1/2 1/4 3/8 inch Cordless HEX Drill Bit Driver 3C.1 x Socket Adapter Hex Shank set (3 pcs a set). can be used for the installation of the sleeve, is a good accessories to convert. 1/4" 1/4" 50mm--1/4 "shank can be converted into 6.35 mm square. 3/8" 1/4" 50mm--1/4 "shank can be converted into 9.53 mm square.
