Lasts up to 50x longer than Bosch 2609256D05 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 switches, junction boxes; holes for recessed lighting, fire alarms, presence detectors; or for ducting for cool-air or drying air Scope of delivery: Bosch EXPERT Construction Material Hole Saw 57 x 60 mm, Weight: 0.48060773116 pounds, Manufacturer: Bosch