This professional sanding drum kit includes 4 rubber sanding discs (1/2", 3/4", 1", and 1-1/2" diameters) and 4 rolls of premium sandpaper in multi-grit sizes (80, 120, 240, and 320 grit) for smooth, precise finishing on materials Crafted from resin-bonded aluminum oxide for long-lasting durability, the sanding drum features a 1/4-inch universal shaft that fits most electric drills and rotary tools. Perfect for grinding, polishing, leveling, and sanding with and ease Simply wrap the sandpaper roll around the drum, trim to size, peel off the adhesive backing, and secure it in place. The design ensures a firm grip and seamless alignment for efficient sanding Ideal for smoothing rough edges, curves, and circular on wood, metal, stone, resin, glass, aluminum, and hard/softwoods. Great for refurbishing, grinding, and polishing DIY projects or professional workpieces For optimal safety, always wear protective goggles, a dust mask, and gloves while sanding to shield against debris and a worry-free experience Color: As shown Material: Metal+Sandpaper Package Contents: 8*pcs rotary tool 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.