BOSCH Diamond drill bit set of 4 for porcelain tiles (6, 8, 10, 14mm)

---------------------------------------------------------------------- Set contents: 6, 8, 10, 14mmφ each 1 piece Total length: 65mm Effective length: 20mm Shank diameter: 10mm Wet method Work material: Porcelain tiles and all other tiles *Please use in rotation mode. Please use at a rotation speed of 1,500 rpm or less. The specifications and appearance of the listed products and accessories are subject to change without notice for improvement.