[Easy to install] The 10 polishing wheels are 3/4 center hole fitting most bench grinders. [Professional design] Much thicker of this polishing wheels could last longer and work larger surface area.Besides, it holds plys together more stiffly then greater pressure can be applied. [Usage] Fine Polishing and buffing wood,metal, cast iron,brass, aluminum bronze and stone,etc [Make your work easy] The polishing wheels are easy and effortless, improve work efficiency. [Dimension] 10 inch Face, 3/4 inch Arbor Hole, H:1-1/5 inch(70 ply), Material: Cotton. UPC 677892744833 ASIN B07QH788F1 Grit Type Fine Brand Name BLSGBUIDING Unit Count 1 Count Grit Number 120 Manufacturer EMILYPRO Item Diameter 10 inches Material Type Cotton Item Thickness 10 inches Item Dimensions 10 x 10 x 0.04 inches Number of Items 1 Number of Packs 1 Construction Type Cotton Compatible Devices Bench Grinder Grit Material Type Cotton Compatible Material Cast Iron, Stainless Steel Item Dimensions L x W 10 L x 10 W Industry Standard Identifier ANSI B7.1-1997 120 Recommended Uses For Product Polishing