Manufactured from high grade hardened Steel Wax core design provides self-cooling and self-lubrication Maximum operating speed 12,200 rpm M14 thread for direct connection to angle grinder Diamond drill bit for dry cutting ceramic, porcelain (Grade 5) and stone Specifications: Dimensions: H:14.5 x W:4.2 x D:2.6 cm Weight: 2.0 kg Colour: Multi Guarantee:1 year Model Number: KB-DBTH0018