DescriptionDesigned for square drives – ideal for handling hex screws, bolts, and nuts with a square-drive wrench. Perfect for screwdriving tasks in plant installations and heavy industrial work.Made from heat-treated CRMO (chrome-molybdenum) steel with thick walls for high torque resistance.Black phosphate coating provides excellent protection against rust and corrosion.Laser-marked and colour-coded for fast and easy size identification.Includes groove and through hole for secure attachment on your impact wrench using a pin and ring system for an extra strong hold.