Sand and Stick Sheet Rolls are PSA backed, so you can easily peel and stick them to any length, quickly. Use on hand sanding blocks, file shoes, or file boards. Specifications: Size: 2-3/4 in. x 45 yd. Grit: P320B Weight: 1.850 lbs. Case Qty: 5 Features: PSA backing for easy peel and stick. Can be cut to any length. Use on hand sanding blocks, file shoes, or file boards