Features: * end is SDS handle,another end is inner hexagon, the hexagonal size is the standard 1/4, that is 6.35mm. *It can change the connection mode of SDS, such as hammer, drill, etc., into the connection way of hexagon, *So that it can connect all kinds of hexagonal handle tools, such as batch head, Chamfering device and drill. *Connection is solid and reliable! *Practical and . Specifications: Product name: Drill Bit Adaptor Material: Chrome vanadium steel Color: As picture show Size: 60*10mm Inner hexagon: 1/4 (6.35mm) Optional Type: With knurling, Without knurling, 2Pcs/Set Suitable for: Batch Head, Chamfering Device, Drill Quantity: 1Pc or 2Pcs Package Contents: 1 Pc Adaptor OR 2 Pcs Adaptor Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.