Standard Abrasives Unitized Mounted Point 877023, 731 W183 x 1/8 inGeneral Information Brand Standard Abrasives Attachment Type Shaft Country Of Origin United States Lead Time 62 days California Residents Proposition 65 Warning Dimensions and Specifications Head Diameter (Imperial) 0. 5 in Head Diameter (Metric) 12. 7 mm Maximum Speed 51700 rpm Overall Length (Imperial) 0. 25 in Overall Length (Metric) 6. 35 mm Shank Diameter (Imperial) 0. 12 in Shank Diameter (Metric) 3. 04 mm Grit Non Pertinent Micron Grade Non