Securely grip, raise and protect your work with Slipstick universal bench grippers! featuring a non-marring and extremely high traction gripping surface, these non-slip grippers firmly hold work pieces in place while sanding, sawing, painting, or assembly with or without clamps. Ideal for raising and leveling, each work gripper will support up to 1, 000 pounds and can be stacked together for incremental added height (each gripper raises ½ inch). not only designed as a handy work table tool, these universal grippers also work great as anti slide protector pads under heavy furniture, shelving, appliances, machinery, and other heavy objects. Built solid and durable, Slipstick grippers are easy to clean after use (just wipe them off). each pack includes 4 Orange 2-3/4 inch round by 1/2 inch tall work grippers as well as 4 painter points for painting projects.