Made of high-quality materials with high hardness, good wear resistance, sharpness, and uniform particles. The frosted particles on its surface are not easy to fall off, ensuring a long service life. Available in various sizes for multiple options. This product is made of rubber and stainless steel. Seven size options are available. Ideal for DIY grinding, sanding, and polishing of jade, wood, metal, molds, and other materials. Item Name: Polishing Grind Head Material: Stainless Steel, Rubber Shank Type: Round Size Details: [Size 3mm]: 4.5cm x 0.3cm x 0.3cm / 1.77" x 0.12" x 0.12" (Approx.) [Size 4mm]: 4.5cm x 0.4cm x 0.4cm / 1.77" x 0.16" x 0.16" (Approx.) [Size 5mm]: 4.5cm x 0.5cm x 0.5cm / 1.77" x 0.2" x 0.2" (Approx.) [Size 6mm]: 4.5cm x 0.6cm x 0.6cm / 1.77" x 0.24" x 0.24" (Approx.) [Size 8mm]: 4.5cm x 0.8cm x 0.8cm / 1.77" x 0.31" x 0.31" (Approx.) [Size 10mm]: 4.5cm x 1cm x 1cm / 1.77" x 0.39" x 0.39" (Approx.) [Size 12mm]: 4.5cm x 1.2cm x 1.2cm / 1.77" x 0.47" x 0.47" (Approx.) Note: Due to differences in lighting and screen settings, the item's color may vary slightly from the images. Slight dimensional variations may occur due to manual measurement. Package Includes: 10 x Buffing Wheels