Set includes 7 screw punches for making 16 mm, 20 mm, 25 mm, 32 mm, 40 mm, 50 mm or 63 mm holes in steel sheet up to 2 mm thick or stainless steel up to 1.2 mm thick.690000160, 690000320, 690000500 and 690000630 screw hole punches.690000200, 690000250 pin punches.690000400 knockout punches.690900080, 690900100, 690900120, 690900140 and 690900200 spare screws.In a plastic box for safe storage and good overview of the punches