Features: brand new and high quality. Flexible, durable aluminum oxide and fully resin bonded. High efficiency grinding and can withstand wire-speed fast. Fits all 10x330mm sanders and file sanders. Perfect for a variety of wood, furniture, metal and non-metal grinding and polishing. Specifications: Grits: 40#, 60#, 80#, 100#, 120# Tips: The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance. Material: Alumina colour: As Shown Package Contents: 50 x Sanding Belt(10 pcs each of 5 mesh sizes: 40#, 60#, 80#, 100#, 120#) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.