• Resistant and durable: Made with high-quality material and hardness similar to white corundum, providing a long service life. • Versatility: Ideal for sanding and polishing stone, glass, metal, stainless steel, and gemstones. • Unique design: Sharp shape that allows access to tight spaces, including curved, flat, and grooved surfaces. • Excellent sanding effect: Corundum abrasive tips that offer a bright and clean finish with little noise and dust. • Included sizes: 10 mm cylinder shape, 15 mm cylinder shape, 10 mm bullet shape (14 pieces per size). • Compatibility: 1/8'' shank, suitable for most electric rotary tools. • Product dimensions: 12.3 cm wide, 1.8 cm high, and 18.3 cm long. • Safety note: Use protective equipment and ensure the shank is fully inserted and securely tightened in the chuck.