6 Piece High Speed Steel Slitting Saw Set ~ 7/8, 1, 1-1/4, 1-1/2 & 1-3/4″ blades are included. ~ Also included is a 1/8″ mandrel. ~ For general-purpose slotting and cut-off operations. ~ Sides are concave for smooth cuts. 7/8, 1, 1-1/4, 1-1/2 & 1-3/4″ blades are included. Also included is a 1/8″ mandrel. For general-purpose slotting and cut-off operations. Sides are concave for smooth cuts.