3M Hookit Microfinishing Film Disc 268L, 40 Mic 3MIL, Type D, 6 in xNH, Die 600ZGeneral Information Brand Hookit Attachment Type Hook & Loop Backing Type D Bond Type Resin Coat Type Closed Coat Country Of Origin United States Sold As Each California Residents Proposition 65 Warning Return Policy NCNR Non Cancellable Non Returnable Dimensions and Specifications Backing Thickness (Imperial) 3 mil Hole Configuration 600Z Micron Grade 40 m Overall Diameter (Imperial) 6 in Overall Diameter (Metric) 152. 4 mm Grit Non Pertinent Volume