
2 Types of Shanks - We have found all the connection methods for your project as much as possible. 1/4" round shank works better with air tools; 1/4" hex shank more suitable for power tools. 3 Ways to Connect - The air tool backing plate with 1/8" and 1/4" shank can work with any air or electric drill, die grinder and other rotary tools for better sanding control. You can even put the pad directly on a shankless air tool.244pcs - 240pcs 2 inch Hook and Loop Sanding Discs (P80/120/180/240/320/400/600/800/1000/1500/2000/3000 - 20pcs), 1pcs 1/8" & 1/4" Shank Air Tool Backing Plate, 1pcs 1/4" Round/Hex Shank Sanding Pad, 2pcs Soft Foam Polishing Pads.More Applications - Perfect for home improvement, whether it's woodworking, carving, manufacturing, building or crafts.First Choice - 50mm premium aluminum oxide sandpaper with strong hook and loop backing, 12 kinds of common grits (P80-3 000) to meet your different polishing needs.