Irwin IWAF243-4 Nutsetter Set, 3-Piece, Lobular, Steel, 3/PK

Lobular design reduces stripping damage by driving the fastener on the side instead of forcing the corners to turn. For use sheet metal screws and other hexagonal head fasteners. Provides more clearance on the corners of the fastener where paint build-up can occur. Set includes 3 magnetic nutsetters (94812, 94832 and 94852). Sizes 1/4, 5/16 and 3/8 in.