Irwin IWAF243516 1 PK 2-9/16INX5/16IN MAG NUT DR

IWAF243516. 5/16 Inch Magnetic Nutsetter. Nut drivers magnetic hex shank size 5/16 inches length 2 inches -9/16 Lobular design reduces stripping damage by driving the fastener on the sides instead of forcing the corners to turn. Provides more clearance on the corners of the fastener. Used with sheet metal screws and other hexagonal head fasteners; 1/4 inches hex shank.