The Faithfull Impact Grade Bit Holders have a versatile quick-release chuck that accepts all standard 1/4in hex shank bits of 25mm & 50mm length or double-ended format. Accepts all international hex shank sizes including ANSI, JIS and DIN standard screw bits and accessories. Engineered to withstand the extreme pressures and torque exerted by modern impact drivers and drill drivers, these holders give outstanding performance in all screwdriving applications. Available in 75mm or 150mm long shafts, they help provide accessibility to the most awkward to reach places.