Dimensions: 6mm / 8mm / 10mm / 12mm / 14mm / 16mm. Cooling System: The secret cooling wax in the body greatly reduces the temperature of the drill opening and improves the service life of the drill. Dry directly a dozen: the body of the drill has wax cooling, cooling and lubricating; can be directly dry a dozen, no need to add water. Round handle: wide range of use, suitable for manual drills, angle grinders. Application: porcelain stoneware, ceramic, natural stone tile, tile, hard tile, granite, glazed clinker, clinker bricks, hard tiles, plastics, fiberglass, etc. Delivery quantity: 6 pieces
