Lasts up to 10x longer than Bosch ACZ 85 MT4 laser-melted carbide blade Removing old grout is a unique ability which has made the oscillating multitool a firm favourite with tilers and bathroom-fitters. But grouting mortar can be tough: only the best blades can survive the regular use professionals demand of their multitool. The EXPERT ACZ 85 RD4 offers extreme long life thanks to its advanced use of diamond. Bosch Diamond Technology provides a fine cutting edge of high-quality diamond grits that offer maximum wear-resistance in hard mortar. These grits are hard enough to bring another dimension to the blade: it can also make small adjustment cuts in soft tiles. For tilers, plumbers and anyone needing to cut out grout, there is no substitute for diamond. Starlock mount for optimum power transfer and convenient blade change within 3 seconds Tested in Bosch labs according to Bosch standard procedures. Features and Benefits: • Lasts up to 10x longer than Bosch ACZ 85 MT4 laser-melted carbide blade• Exceptionally durable cutting edge using Bosch Diamond Technology • Starlock mount for optimum power transfer and convenient blade change within 3 seconds • Ideal for cutting out grout from between tiles; removes even hard cement mortar; can also make small adjustment cuts to soft tiles • Multitool versatility with maximum performance Specifications: Material: Diamond Diameter [mm]: 85 Cutting width [mm]: 2