Boston Industrial 36750 Magnetic Nut Setter Set (SAE) 5 Piece

1/4 magnetic hex shank nut setter set can be used with an impact driver or common power drills. Magnetic design picks up nuts and bolts so you can position them quickly. Chrome vanadium steel. Sizes: 1/4 5/16 3/8 7/16 1/2 . 48 mm shank.