Milwaukee® SHOCKWAVE Impact Duty™ QUIK-CLEAR™ 2-in-1 Magnetic Nut Drivers feature the Most Durable QUIK-CLEAR™ Magnet and 2-in-1 size versatility. The QUIK-CLEAR™ cleaning mechanism allows for fast and easy removal of metal shavings from the magnet to prevent fastener head stripping. The 2-in-1 nut driver design offers two nut driver sizes on one shank to allow for maximum versatility when driving hex head screws on the jobsite. The QUIK-CLEAR™ 2-in-1 Magnetic Nut Drivers feature a powerful Impact Duty™ magnet that prevents it from loosening over time to enable a consistent secure grip and unyielding fastener engagement. The optimized SHOCK ZONE™ absorbs peak torque and prevents bit breakage. Made from heat treated CUSTOM ALLOY76™ steel to control hardness and extend bit life. The nut drivers feature two color-coded rings for quick and easy size identification. Designed for use with impact drivers and drill drivers. Features: QUIK-CLEAR™ cleaning mechanism for fast and easy debris removal; Offering 1/4\" and 5/16\" nut driver sizes on one shank and 5/16\" and 3/8\" nut driver sizes on another shank; IMPACT DUTY™ Magnet prevents magnet loosening over time; Magnetic nut driver holds screws securely during application set-up; 2-in-1 design drives a wider variety of hex head screws with one accessory; Optimized SHOCK ZONE™ absorbs peak torque and prevents breakage; Color-coded for easy size selection; CUSTOM ALLOY76™ Steel is engineered to extend bit life; Designed for heavy-duty impact applications; Designed for use with Impact Drivers and Drill Drivers