Features Easy Installation Self-Expanding Cushion: Designed to securely hug sleeves, this feature keeps sanding paper in place for a precise and extra fine finish Versatile Standard Size Drums: Compatible with most rotary tools, including drill presses and hand power drills, enhancing your sanding capabilities for various projects Durable Storage Case Included: The strong storage case ensures quick access and optimal protection for your tools, keeping everything organized and ready for use Lightweight, Quality Construction: Built to last, this set is perfect for sanding holes, contouring edges, and buffing irregular shapes Features: 1、Self？expanding cushion is easy to install and designed to hug sleeves for a tight grip, keeping sanding paper in place for an extra fine finish 2、Standard size drums are common and compatible to use with rotary tools such as drill pres and hand power drills 3、It comes with strong storage case for quick acc and protection 4、Quality construction built is long lasting, lightweight and for sanding holes, contouring edges, and buffing out irregular shapes 5、Ideal accory for home improvement, hobbies, DIY, carpentry, wood working, and many more Specification: Features: Self-expanding cushion is easy to install and designed to hug sleeves for a tight grip, keeping sanding paper in place for an extra fine finish. Standard size drums are common and compatible to use with rotary tools such as drill pres and hand power drills. It comes with strong storage case for quick acc and protection. Quality construction built is long lasting, lightweight and for sanding holes, contouring edges, and buffing out irregular shapes. Ideal accory for home improvement, hobbies, DIY, carpentry, wood working, and many more. Specification: Quantity: 20pcs Weight: Approx. 910g 4pcs Rubber Drum Sizes Diameter6mm / 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