Irwin IWAF342516 IMP 1-7/8INX5/16IN MAG NUT DR-1PK

5/16 x 1-7/8 Nutsetter. IMPACT PERFORMANCE SERIES(TM) NUTSETTERS. Lobular nutsetters built for maximum. durability, performance & long life. Designed to drive fastener from the side -. rather than forcing the corner to turn. Design provides more clearance on the corners. Powerful magnet holds fastener securely in place. 1/4" quick change shank. One bit per card.