SDS Adapter for 13 mm Drill Chuck -Drill chuck not included

Professional tool for commercial or occasional use. Use ordinary drill bits with your SDS and drill Adaptor simply fits into SDS drill as would a drill bit Can be used on ordinary 1/2″ drills as well as SDS drills. Specification: Thread: 1/2″(13mm) x 20 UNF Capacity:13mm Package Includes: 1 Piece SDS Adaptor