Features 1、Made of high quality material, durable in use. 2、Suitable for low speed fine grinding, no damage to the product. 3、Works well on metal and non-metallic materials of various complex surface rust, paint, deburring, solder joints sanding and polishing. 4、Widely used for artificial stone, furniture, wood products, metals, automobiles grinding and polishing, etc. 5、Can be used in pneumatic grinding machine, polishing machine grinding chassis, suitable for all kinds of adhesive type sandpaper grinding and polishing. Specification Features: Made of high quality material, durable in use. Suitable for low speed fine grinding, no damage to the product. Works well on metal and non-metallic materials of various complex surface rust, paint, deburring, solder joints sanding and polishing. Widely used for artificial stone, furniture, wood products, metals, automobiles grinding and polishing, etc. Can be used in pneumatic grinding machine, polishing machine grinding chassis, suitable for all kinds of adhesive type sandpaper grinding and polishing. Specification: Material: Aluminum alloy & PU Model Disc Diameter Threaded Column Diameter Threaded Column Length Weight #01 25mm/1inch 5.8mm/0.2inch 10mm/0.4inch 14g/0.5oz #02 25mm/1inch 7.8mm/0.3inch 10mm/0.4inch 16g/0.6oz #03 73mm/3inch 5.8mm/0.2inch 10mm/0.4inch 30g/1.1oz #04 73mm/3inch 7.8mm/0.3inch 10mm/0.4inch 32g/1.1oz Package List: 1 x Grinding Machine Grinding Disc Note: Please allow slight error due to manual measurement. Thanks for your understanding. Package List