Product: TOTAL 13pcs Bi-Metal Hole Saw Set Brand: TOTAL Model: TACSH0132 Description: High-Quality Bi-Metal Construction - Made from HSS M3 bi-metal, these hole saws offer excellent durability and resistance, outperforming standard steel for cleaner, longer-lasting cuts. Comprehensive Size Range - Includes saws in nine popular diameters: 19mm(3/4in), 22mm(7/8in), 29mm(1-1/8in), 35mm(1-3/8in), 38mm(1-1/2in), 44mm(1-3/4in), 51mm(2in), 57mm(2-1/4in), 64mm(2-1/2in). Versatile Arbors & Accessories - The set includes: 1pc 3/8in hex-shank arbor (fits 9/16in-1-3/16in) 1pc 7/16in hex-shank arbor (fits 1-1/4in-8-17/64in) 1pc thread adapter (1/2-20 UNF to 5/8-18 UNF) 1pc pilot drill 1pc hex key wrench Everything housed in a sturdy plastic case for organization and portability. Key Features: Versatility Across Materials - Perfect for clean and precise holes in wood, metal, PVC, and more. Enduring Performance - The bi-metal construction resists wear, making it ideal for frequent use. Quick Setup with Compatibility - Interchangeable arbors and thread adapter ensure compatibility with most drills. Compact and Efficient - Organized in a practical case, ideal for job sites or workshop storage. Typical Applications: Installing light fixtures, speakers, or ceiling fans. Creating plumbing or electrical access holes. Drilling through drywall or hollow materials. General woodworking, cabinetry, or renovation jobs.