Item No.: H15C507

.Bit Extender Material: Chrome Vanadium Steel

.Flexible Drill Bit Extension Material: Carbon steel+Plastic

.Bit Extender:300mm Flexible Drill Bit Extension:200mm

.Please keep the size of the tool to match your screw connection hex shank drill site size is 1/4"

.Safety and Convenience: Flexible black casing protects your hand from hurt