Long Life for Hard Ceramics - The X-LOCK Diamond Cutter Best for Ceramic Dry Speed delivers long life when dry drilling hard ceramics. Its high-class diamonds provide very high drilling speeds and its vacuum-brazing technology ensures a long lifetime. It is suitable for use with X-LOCK angle grinders. Changing diamond cutters is fast and convenient thanks to the keyless X-LOCK system Click it on with X-LOCK – the fastest accessory-changing system on the market. Features and Benefits • Long Life for Hard Ceramics • X-LOCK Diamond Cutter Best for Ceramic Dry Speed delivers long life when dry drilling hard ceramics • High-class diamonds provide very high drilling speeds Specifications Diameter (D): 20mm Diameter (D) 2: 25/32" Working Length: 35mm Working length (L1): 35mm