Features and Benefits:?Ergonomic tri-lobe dual material handle provides the optimal balance of strength and efficiency??Speed Zone? handle design for faster rotation in low-torque applications?Dual material handle offers a more comfortable grip and higher performance?Non-slip black oxide tip for more secure fit in fastener?Blades laser etched with part number and size for quick identificationErgonomic tri-lobe dual material handle provides the optimal balance of strength and efficiency;?Speed Zone? handle design for faster rotation in low-torque applications;Dual material handle offers a more comfortable grip and higher performance;Non-slip black oxide tip for more secure fit in fastener;Blades laser etched with part number and size for quick identification