uxcell 3/8" Thread Hex Nut SDS Plus Shank Drill Chuck Adapter Gray Product Name : Drill Chuck Adapter;Thread Diameter : 9.5mm/ 3/8" Shank Diameter : 10mm / 0.4";Hex Size : 17mm / 0.7" Total Length : 64mm / 2.5";Color : Gray Material : Metal;Weight : 38g Package Content : 1 x Drill Chuck Adapter