Combina tion Sets Blades for Combina tion Squares, Sets and Bevel Protractors INCH, MILLIMETER AND INCH/MILLIMETER The blades listed below fit any head according to the sizes noted in the charts on all combination squares, combination sets and bevel protractors. The 12", 18", 24", 36" and 48" and 300mm and 600mm sizes are interchangeable. Exception: Starrett 33J and 8 Combination Squares. (For these, see 33J and 8 listings.) Inch Blades Only for Combination Squares, Sets and Bevel Protractors Cat. No. EDP Size Approx. Width x Thickness Graduation Finish B4-4R 50076 4" 5/8 x 1/16" 4R – 8ths, 16ths, Quick Reading 32nds, 64ths Regular CB4-4R 50077 Satin Chrome CB4-16R 50078 4" 5/8 x 1/16" 16R – Quick Reading 32nds, 64ths, Aircraft Quick Reading 50ths, 100ths Satin Chrome B6-4R 50079 6" 3/4 x 5/64" 4R – 8ths, 16ths, Quick Reading 32nds, 64ths Regular CB6-4R 50080 Satin Chrome B6-16R 50081 6" 3/4 x 5/64" 16R – Quick Reading 32nds, 64ths, Aircraft Quick Reading 50ths, 100ths Regular CB6-16R 50082 Satin Chrome B12-4R 50083 12" 1 x 3/32" 4R – 8ths, 16ths, Quick Reading 32nds, 64ths Regular CB12-4R 50084 Satin Chrome CB12-6R 50085 12" 1 x 3/32" 6R – Aircraft Quick Reading 50ths and 10ths Satin Chrome B12-16R 50086 12" 1 x 3/32" 16R – Quick Reading 32nds, 64ths, Aircraft Quick Reading 50ths, 100ths Regular CB12-16R 50087 Satin Chrome B18-4R 50088 18" 1 x 3/32" 4R – 8ths, 16ths, Quick Reading 32nds, 64ths Regular CB18-4R 50089 Satin Chrome B18-16R 50090 18" 1 x 3/32" 16R – Quick Reading 32nds, 64ths, Aircraft Quick Reading 50ths, 100ths Regular CB18-16R 50091 Satin Chrome B24-4R 50092 24" 1 x 3/32" 4R – 8ths, 16ths, Quick Reading 32nds, 64ths Regular CB24-4R 50093 Satin Chrome CB24-6R 50094 24" 1 x 3/32" 6R – Aircraft Quick Reading 50ths and 10ths Satin Chrome B24-16R 50095 24" 1 x 3/32" 16R – Quick Reading 32nds, 64ths, Aircraft Quick Reading 50ths, 100ths Regular CB24-16R 50096 Satin Chrome CB36-4R 50097 36" 1 x 3/32" 4R – 8ths, 16ths, Quick Reading 32nds, 64ths Satin Chrome CB36-16R 50098 16R – Quick Reading 32nds, 64ths, Aircraft Quick Reading 50ths, 100ths Satin Chrome CB48-4R 67102 48" 1 x 3/32" 4R – 8ths, 16ths, Quick Reading 32nds, 64ths Satin Chrome Millimeter Blades Only for Combination Squares, Sets and Bevel Protractors Cat. No. EDP Size Approx. Width x Thickness Graduation Finish B150-35 55985 150mm 19 x 2mm 35 – mm and 1/2mm Both Sides Regular CB150-35 55988 Satin Chrome B300-35 55986 300mm 25 x 2.4mm 35 – mm and 1/2mm Both Sides Regular CB300-35 55989 Satin Chrome B600-35 55987 600mm 25 x 2.4mm 35 – mm and 1/2mm Both Sides Regular CB600-35 55990 Satin Chrome Inch and Millimeter Blades Only for Combination Squares, Sets and Bevel Protractors Cat. No. EDP Size Approx. Width x Thickness Graduation Finish B150-36 55991 150mm and 5-3/4" 19 x 2mm 36 – 1/2mm and 32nds One Side; mm and 64ths Reverse Side Regular CB150-36 55992 Satin Chrome B300-36 50101 300mm and 11-3/4" 25 x 2.4mm 36 – 1/2mm and 32nds One Side; mm and 64ths Reverse Side Regular CB300-36 55993 Satin Chrome B600-36 50102 600mm and 23-1/2" 25 x 2.4mm 36 – 1/2mm and 32nds One Side; mm and 64ths Reverse Side Regular CB600-36 55994 Satin Chrome All sizes packed one per envelope. CB12-4R 272 S quares