Standard Abrasives Unitized Mounted Point 877000, 731 B52 x 1/8 inGeneral Information Brand Standard Abrasives Attachment Type Shaft Country Of Origin United States California Residents Proposition 65 Warning Dimensions and Specifications Head Diameter (Imperial) 0. 375 in Head Diameter (Metric) 9. 525 mm Maximum Speed 45300 rpm Overall Length (Imperial) 0. 75 in Overall Length (Metric) 19. 05 mm Shank Diameter (Imperial) 0. 12 in Shank Diameter (Metric) 3. 04 mm Grit Non Pertinent Micron Grade Non Pertinent Overall