A 3-digit ICC recognized code is stamped into the head for easy spec reference and a load value chart is conveniently located on every package.. Our premium PrimeGuard Plus coating assures Grip-Rite. Grip-Rite's exclusive Dual Drive Power head brings flexibility to the jobsite with a unique combined Hex Washer/Star Drive recess head offering the user a choice of using the included hex driver or a star drive bit to fasten the screw.