Details: *100% brand new and high quality*It is very suitable for tightening the clumsy screws*SDS handle electric hammer to hex extension rod:It can change the connection mode of electric hammer, percussion drill, etc. which was originally SDS, into the connection mode of hexagon, so that it can connect all kinds of hexagon tools such as batch head, chamferer, drill, etc. hexagon handle has strong magnetism when connecting batch head and other products, and the connection is stable and reliable.Material: chrome vanadium steelSize: one end is SDS handle with two pits and two grooves, one end is hexsocket, and the hexsocket size is standard 1 / 4 (imperial), i.e. 6.35mm*SDS to square loaded ball adapter:The product has a high degree of occlusion, which can effectively reduce the degree of screw damage. It is suitable for the head conversion of electric hammers, impact drills, hand drills and other tools.It is used to install on electric hammer drill, percussion drill, charging drill, pistol drill and other tools. It can make the electric drill with original SDS head use the tool with square head, which is a good accessory for conversion.Material: 40CRDimensions: one end is SDS round handle, two pits and two grooves; the square head of extension rod is provided with elastic steel ball; the other end is square head, respectively: 1 / 2 (12.7mm), 3 / 8 (9.5mm), 1 / 4 (6.35mm)Extension rod length: 60mm(Approx.)Package Contents:2*SDS Screwdriver Bit1*1/4" adapter1*3/8" adapter1*1/2" adapterNote: 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.