Material: Grain: Zirconium Oxide Backing: Y-weight cloth (100% polyester) Coating: Zinc-stearate Coated, Close coated Application: For fast cut on stainless steel, aluminum, nickel alloy, steel tool ect, prefect polishing performance in heavy duty, dry polishing only. Max width for roll: 1370mm Min width for roll: 50mm The grits are avilable to customer's demand