Bi-Metal Hole Saw Kit, Holesaw Set With 3/4" To 2-1/2" (19-64Mm) Saw, Pvc [HOLE SAW KIT]: Sizes include 3/4" (19mm), 7/8" (22mm), 1" (25mm), 1-1/8" (29mm), 1-3/8" (35mm), 1-1/2" (38mm), 1-3/4" (44mm), 2" (51mm), 2-1/8" (54mm), 2-1/4" (57mm), 2-1/2" (64mm), 2 mandrels, 2 hex keys, 1 drill bit, 1 adapter [EFFICIENT HOLE CUTTING]: Crafted from high-speed steel Bi-metal with sharp teeth, ideal for precise hole cutting in metal, PVC, wood, plastic, and drywall. Various sizes cater to diverse cutting requirements, delivering faster and cleaner results. [PREMIUM QUALITY]: Constructed from high-strength hard alloy steel, these saws exhibit exceptional hardness, wear resistance, and corrosion resistance for prolonged use. [INNOVATIVE DESIGN]: Features a circular arc spiral chip flute for efficient chip removal in all directions. Includes large and small mandrels for versatile hole saw selection, ensuring easy installation and disassembly. [PORTABLE STORAGE SOLUTION]: Encased in a heavy-duty portable storage case designed for secure organization. Each accessory fits neatly in the well-designed groove, facilitating easy storage after use and convenient portability.