Features: 1. Wool felt polishing head has good polishing effect. 2. Fine and bright polished surface. 3. 25 pieces of polishing tool with different shape and size can meet your needs. 4. Can installed on rotary tool for better polishing effect. 5. Suitable for the fine polishing of stainless steel, glass, jade, jewelry and medical equipment, etc. Specification: Material: Wool + Steel Quantity: 25pcs Shank Diameter: 3mm/0.12in Length: 60mm/2.36in Cylindrical Head Diameter: 0.8cm/0.31in, 1cm/0.39in (each 5pcs) Conical Head Diameter: 0.8cm/0.31in. 0.9cm/0.35in, 1.2cm/0.47in (each 5pcs) Weight: Approx. 88g Package Includes: 25 x Wool Polishing Head 1 x Polishing Paste Note: Please allow slight error due to manual measurement. Thanks for your understanding. 1、Wool felt polishing head has good polishing effect. 2、Fine and bright polished surface. 3、25 pieces of polishing tool with different shape and size can meet your needs. 4、Can installed on rotary tool for better polishing effect. 5、Suitable for the fine polishing of stainless steel, glass, jade, jewelry and medical equipment, etc.