1It can be used for pneumatic tools, electric tools and manual tools with hexagonal chuck, and with the auger, grinding and screwdriver bit for clamping, so as to realize multiple functions of one tool. 2Three-jaw collet structure, strong, stable and fast clamping force, 3Quickly convert your quick change hex shank driver into a drill! 4It can be used in the fields of craft manufacturing, DIY creation and production manufacturing. 5Aluminum alloy + carbon steel material, high hardness, wear - resistant
