Item Name: Drilling Tools Chuck Adapter Hex Shank SDS Converter Adapters Drill Bit. Application: With this adapter, the original SDS connection in the hammer, impact drill, etc. can be changed to the hex connection, so that the drill can connect to different kinds of tools with hex shanks, like screwdriver bits, countersink bits, drill bits, and so on. Material: chrome vanadium steelSpecifications: one end: 2-flatted 2-flute SDS shank, the other end: hex shank hex size: standard 1/4 inch / 6.35 mm Size: length: about 60 mm/ 2.36 inThe hex shank adaptor enjoys some magnetic force, and offers firm and reliable connection.Packing list:Adaptor * 2 *