Features Standard-sized rollers are common and compatible with rotary tools such as drill presses and hand drills. Ideal for use with your rotary tools such as drill presses, spindle sanders, hand drills or flexible shaft attachments. Set includes rubber barrel sanding drums (1/2", 3/4", 1", 1-1/2"), grinding sockets (120 fine grit, 80 grit coarse) and plastic carrying case. Quality construction is durable, lightweight and durable for sanding holes, trimming edges and polishing irregular shapes. It comes with a sturdy storage case for quick access and protection. Ideal accessory for home improvement, hobbies, DIY, woodworking, carpentry and more. Self-expanding pads are easy to install and are designed to fit snugly against the sleeve for a tight grip, holding the sandpaper in place for an extra fine finish. feature: Self-expanding pads are easy to install and are designed to fit snugly against the sleeve for a tight grip, holding the sandpaper in place for an extra fine finish. It comes with a sturdy storage case for quick access and protection. Ideal accessory for home improvement, hobbies, DIY, woodworking, carpentry and more. Quality construction is durable, lightweight and durable for sanding holes, trimming edges and polishing irregular shapes. Set includes rubber barrel sanding drums (1/2", 3/4", 1", 1-1/2"), grinding sockets (120 fine grit, 80 grit coarse) and plastic carrying case. Standard-sized rollers are common and compatible with rotary tools such as drill presses and hand drills. Ideal for use with your rotary tools such as drill presses, spindle sanders, hand drills or flexible shaft attachments. Specifications: Quantity: 20pcs Weight: Approx. 910g4pcs Rubber Drum SizesDiameterHeightShank Diameter1/2inch64mm / 2.52inch3mm / 0.12inch3/4inch64mm / 2.52inch6mm / 0.24inch1inch64mm / 2.52inch6mm / 0.24inch1-1/2inch64mm / 2.52inch6mm / 0.24inch Package Included: 1pcs x 1/2" Rubber Drum 1pcs x 3/4" Rubber Drum 1pcs x 1" Rubber Drum 1pcs x 1.5" Rubber Drum 2sets (8pcs) x Coarse Sleeves (80grit) 2sets (8pcs) x Fine Sleeves (120grit) 1 x Case Note: Only rubber drums, sanding sleeves and case, no other stuff included. Package List