General description The Bosch Pro Multi-Material PC Plus Hole Saw Set is a versatile and comprehensive 14-piece kit designed for cutting through a variety of materials. This set is ideal for both professional and DIY applications, providing the tools necessary for creating precise holes in wood, metal, plastic, and more. Technical specifications Number of pieces: 14 Material: Bi-metal Diameter range: 19 mm to 127 mm Shank type: 1/4 inch hex Compatibility and accessories Compatible with standard power drills Includes a mandrel for easy attachment Installation To install the hole saw, follow these steps: Attach the mandrel to your power drill. Choose the appropriate hole saw size for your project. Secure the hole saw onto the mandrel. Set the drill to the appropriate speed for the material being cut. Usage This hole saw set is suitable for a variety of applications: Creating holes in wood for plumbing and electrical installations. Cutting through metal sheets for fabrication work.