Spyder 15-Piece Dril & Impact Driver Bit Set Mach-Blue™ Size:15 PC Three flatted shank on 3/16"

Three flatted shank on 3/16" and above for better chuck grip

rugged over-molding for improved durability and user grip

Low-foaming formula

Non-Ferrous Metal

4-1/2” Specification Grade (Boxed)

Spyder 15-Piece Dril & Impact Driver Bit Set Mach-Blue™ Size:15 PC Three flatted shank on 3/16"Spyder Mach Blue impact rated driver bits are the durable driving bit 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. Mach Blue driver bits are optimized