... Steel, Stainless Steel, Aluminum. 4 ISO9001 Grinding Sleeve for All the Matals About the product:Import VSM and ... finished sleeves as your request, from Narrow sleeve to big sleeve, any sizes are Ok, Our strength ... you.5. Available grain for Choice: VSM Ceramic, Silicon carbide, Zirconia, Aluminum oxide.6. Sleeve Brand: 3M, VSM, ... about our factory and products: Grinding Sleeve for All the Matals.