Standard Abrasives Unitized Mounted Point 877024, 821 W183 x 1/8 in, 5/CartonGeneral Information Brand Standard Abrasives Attachment Type Shaft Country Of Origin United States Sold As Carton 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 Length 0. 08 yd 0. 08 m Volume 26. 79