●The following information applies to each unit per pack ●No slipping of the drill: for more reliable drilling without slipping the drill, the ¼ inch hex shank locks securely into the chuck of the drill driver or impact wrench ●Suitable for metal: this drill bit is suitable for use with metal sheet, aluminum and mild steel, but also plastic and wood ●Quick and easy drilling: thanks to the self-centering PointTeQ tip, you can drill quickly and efficiently without prior punching or pre-drilling ●Fast chip removal: black oxide coated groove ensures quick chip removal ●UNIVERSAL FIT This drill bit is universally compatible with drills and impact drivers with ¼" hex shank from all brands