General hexagon handle input connection rod: 6 mm
Drill Chuck Dia: 0.3-3.6MM
Dimensions: 5.9 x2.4 x3.2 cm
Convert 1/4" Hex Shank Screwdriver into a Drill
It will Hold Drill Bits and Accessories up to 1.4" in Diameter
Use This Chuck to Convert Any cordless Screwdriver into a drill or grinder
Driver Shank is 1/4" Hex