Optimal Grit Sequence: This 30-piece for sanding drum set features a meticulously designed grit progression from 400 to 2000 (5 pieces each). Engineered for a 6-stage sanding process, it ensures efficient material removal and a finish on various surfaces. Enhanced Durability with Upgraded Adhesive: Equipped with a robust adhesive base, these sanding bands are built to last longer. The easy peel-off design allows for quick replacement of worn layers, ensuring continuous work without the need for frequent replacements. High-Speed Electric Sanding: Compatible with all 1/8 inch shank rotary tools, including popular for models like the 3000/4000. This kit enhances your sanding efficiency, making it up to ten times faster than manual sanding, ideal for smoothing plastics, metals, and stones. Versatile Wet and Dry Sanding: Perfect for both wet and dry applications, this sanding kit can handle everything from ceramic polishing to dry sanding of wood and metal. With grits ranging from 400 to 2000, achieve everything from rough cuts to mirror finishes. Color: As Shown Material: Sanderpaper Package Contents: 30PCS sanding drums 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.