Auto-locking design: fit all inserts and 1/4 in. hex bits ; Quick release collar: one handed bit changes ; Dual magnets: maximize magnetic transfer and holding power to fastener ; Optimized Shockzone™ absorbs peak torque and prevents breaking ; Custom Alloy76™ steel
Auto-locking design: fit all inserts and 1/4 in. hex bits ; Quick release collar: one handed bit changes ; Dual magnets: maximize magnetic transfer and holding power to fastener ; Optimized Shockzone™ absorbs peak torque and prevents breaking ; Custom Alloy76™ steel