Wool Cutting Pad with hook & loop back. Heavy professional cutting pad made of 100% twisted 4-ply wool. Extra wool added for longer wear and more cushion. Curved edge dissipates heat. Washable, with perfect balance. 7.5 in. x 1.5 in. pile height. 7/8 in. Arbor Hole. Works best with Deluxe hook & loop backing plate (E12531)