Features 1、Right angle extension driver drilling shank can be bent 105°, can also turn left and right 2、The screwdriver can be screwed manually or used on an electric drill, very flaexble 3、Require less effort, especially suitable for operation in a small environment, practical and convenient 4、The product is made of chrome vanadium alloy steel material, possess high strength and good corrosion resistance 5、The hole diameter is 6.35mm, the handle is a general 1/4in hex handle, the two are the same Specification Item Type: Right Angle Extension Driver Drilling Shank Material: Chrome vanadium alloy steel Purpose: Electric drill Hole Diameter: Approx. 6.35mm / 0.3in (the same size as the handle) Handle: General purpose 1/4in(6.35mm) hex shank Package List 1 x Right Angle Extension Driver Drilling Shank