Features 1、Simple and straight way to adjust acrylic base 2、High quality silicone material, non-toxic and solid, durable in use 3、6pcs silicone rubber grinding heads and 2pcs tungsten steel grinding heads to meet your basic need 4、Black is used for initial polish, green is used medium polish, yellow is for fine-polishing 5、Great for noble metal, ceramics, resin and so on conducting smooth precise high-quality processing Specification Features: Simple and straight way to adjust acrylic base. High quality silicone material, non-toxic and solid, durable in use. 6pcs silicone rubber grinding heads and 2pcs tungsten steel grinding heads to meet your basic need. Black is used for initial polish, green is used medium polish, yellow is for fine-polishing. Great for noble metal, ceramics, resin and so on conducting smooth precise high-quality processing. Specification: Material: Silicone Rubber, Tungsten Steel Quantity: 8pcs Weight: Approx. 38g / 13oz Package List: 6 * Silicone Rubber Grinding Head 2 * Tungsten Steel Grinding Head Note: 1. Please allow small size error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Package List