Circular Carbide Scriber that is 1/4" x 1/2" x 6" in size that fits Starrett Height Gage 254 in 12", 18", 24", 300mm, 450mm, and 600mm sizes; 254 metric & english series.
Auxiliary Circular Carbide Scriber for 254, 254M & 254EM Master Vernier Height Gage, which is an accurate, rugged and reliable tool that gives precise and dependable measurements over long ranges.