The Bosch PRO Multi Material Hole Saw in 92mm suits large pipe and ventilation penetrations in drywall and steel cladding. A robust, long-lasting cutter that reduces tool replacement frequency on high-output installation sites. Lasts up to 2x longer than a standard Bosch hole saw. Features and Benefits: • Bi-metal with 8% cobalt HSS for long life on metal and tough materials • Enhanced tooth design for fast, smooth cuts • Power Change Plus system for quick arbor changes and easy plug removal • Compatible with Bosch Power Change Plus keyless arbor