Description The SPYDER Mach-Blue Impact Driver Bit Set is the durable driving bits for demanding high torque impacting applications. Mach-Blue™ Tough Tip Technology significantly reduces tip wear for reliable fastener driving – up to 70x longer life than other impact rated driver bits. IMPACTive™ alloy tool steel torsion zones actively flex to dissipate peak impact forces, reducing fastener recess damage and preventing tip breakage. The SPYDER Mach-Blue Impact Driver Bit Set is optimized for use in high torque cordless impacting drivers and drill drivers, making them the pro powered tool that outlasts your workday.