Marketing InformationOur locking bit holders are engineered to be the most durable, strongest locking bit holders on the market. The intuitive auto locking design fits all inserts and 1/4 in hex bits and the small profile quick-release collar allows for easy one handed bit tip changes. The Milwaukee® SHOCKWAVE™ Impact Duty™ locking bit holders feature two magnets to maximize magnetic transfer and holding power to the fastener and prevents drops. Each Milwaukee® bit holder features an optimized Shockzones™ geometry to provide up to 30X longer life and absorb 3X more torque to prevent breakage.