Features: Utilizes high-density abrasive wire that is alkali-resistant, corrosion-resistant, and not prone to breaking. Can be mounted on a drawing machine for wood polishing and burnishing. Works well on various surface types, including flat, curved, concave, convex, or irregular surfaces. The 320# grit delivers a fine polishing finish. Designed for long-lasting durability and high-efficiency performance. Specifications: Condition: 100% Brand New Material: Aluminum oxide abrasive wire Color: As shown in the picture Item Size (Diameter x Height): approx. 12 x 10 cm / 4.72 x 3.94 inch Inner Diameter: approx. 54.5 mm / 2.15 inch Inner Hole Diameter: approx. 19 mm / 0.75 inch Wire Diameter: approx. 0.6 mm / 0.02 inch Weight: approx. 393 g Package Included: 1 x Drawing Wheel Note: The color of the inner core is random; please take note before placing your order. Thank you for your understanding.