General description This general purpose kit includes six Fast Cut holesaws and two arbors: A1 Standard and A10 Quick-Hitch. The Starrett KFC06023 Bi-Metal Fast Cut General Purpose Holesaw Kit is designed for tradesmen, installation engineers, and DIY enthusiasts, featuring a selection of sizes to cover a variety of jobs. Technical specifications Sizes: 22mm (7/8), 29mm (1.1/8), 35mm (1.3/8), 44mm (1.3/4), 51mm (2), 64mm (2.1/2) Teeth per Inch (TPI): 5.5 Cutting Depth: 41mm (1.5/8) Body Material: Steel Teeth Type: Extra Cobalt HSS Thread Size: 32mm 5/8 Pilot Drill: A014C Core Ejector: KA8-6 Box: EVA case for unbreakable protection Colour: Yellow Usage Ideal for cutting through 3mm stainless steel, mild steel sheets, and tubes with a wall thickness of up to 13mm (1/2). The improved tooth material and 5.5 TPI provide enhanced heat and wear resistance, resulting in a smoother, faster cut across a wide range of materials. Other information Packed in a sturdy EVA carry case for