Blades “SQUARE EDGE (FLAT) BLADE 2.550 OD X 1.522 ID X .125 TH WITH 3 TAPPED HOLES (BOTTOM BLADE)” has been added to your cart. View cart View: 12 24 All Horizontal Perf Blades (1) Perf Blades (4) Razor (19) RD Scorer (89) Sheeter (81) Slitter (39) Doctor Blades (20)