Lasts up to 50x longer than Bosch 2608580408 Hole Saw in tough materials Exceptional durability is built in with Bosch Carbide Technology For use with the Bosch Power Change Plus keyless arbor: offering accuracy and robustness Ideal for cutting neat holes up to 60 mm in depth, for example for tubing for electricians' wires and plumbers' fresh waste water pipes; holes for sockets, light switch, junction boxes; holes for recessed lighting, fire alarms, presence detectors; or for ducting for cool-air or drying air Scope of delivery: Bosch EXPERT Tough Material Hole Saw Set 20/22/25/32/35/40/44/51/60/64/76 mm 14-pc Bosch Expert Range of Accessories Each EXPERT accessory is backed by an innovative Bosch Technology that ensures it is the best your tool can get. Our new top performance.