Spyder Mach-Blue impact-rated driver bits are a durable option for demanding high torque impacting applications. Mach-Blue Tough Tip Technology significantly reduces tip wear and delivers a working life up to 70x longer 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. Mach-Blue driver bits are optimized for use in high-torque cordless impacting drivers and drill drivers. Set includes: 1-inch - T10, T15, T20(2), T25(3), T30, T35, T40, SQ1(2), SQ2(3), SQ3, SL6-8, PH1(2), PH2(4), PH3 2-Inch - T20, T25, SQ2, PH1, PH2 3-1/2-inch - T20, T25, SQ2, PH2 and 3-inch magnetic bit holder in plastic case. At Spyder, we don't just make tools—we redefine what's possible. Built for those who demand the best, our power tool accessories deliver unmatched performance, innovation, and durability.