Features:1. Made of tungsten carbide, make sure the high-speed cutting and polishing.2. Good workmanship is beneficial to production efficiency and long service life.3. Specially designed to bring single and double sides, easy to use, safe and reliable.4. Application-It can be processed with cast iron, cast steel, carbon steel, alloy steel, stainless steel, copper, aluminum and other metals, and marble, jade, bone and other non-metallic. Specification:Item Name:Swivel Velcro Type: Single HeadColor: SilverMaterial: Tungsten CarbideLength: 38mm (Close to 1.5")Shank Diameter: 3mm (Close to 1/8")Quantity: 10pcsPackage Included:10pc Swivel VelcroNote:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.