Feature: 1. Using ultra‑high sand planting technology, uniform sand grains, not easy to lose sand, and more wear‑ 2. The joints will not jump during the smoothing and polishing process, and the polished will not appear wavy, firm, and will not break. 3. With good cutting performance and sharpness, suitable for metal grinding, wear‑, no sand, and long service life 4. Available in 10 styles for choices, can meet different needs, 40#/60#/80#/100#/120#/150#/180#/240#/320#/600# 5. The specification is 330 x 10mm with standard workmanship which can the sand belt machine well Specification: Item Type: Sandpaper Belt Material: Sandpaper Specification: 330 x 10mm Circumference: Approx. 330mm / 13in Side Width: Approx. 10mm / 0.4in Quantity: 20pcs Package List: 20 x Sandpaper Strip