12" satin chrome blade eliminates glare for easy readingGraduations in 8ths, 16ths, Quick Reading 32nds and 64thsApproximately 1" wide by 3/32" thickInterchangeable blade with other combination heads
This blade will fit any Starrett head according to size for all combination squares, combination sets and bevel protractors. 12", 18", 24" and 36" and 300mm and 600mm sizes are interchangeable (except No. 33J and No. 8combination squares).
Brand: Starrett, Model: CB12-4R