The Starrett A2 Holesaw Arbor is a heavy-duty cutting tool designed for precision hole drilling in metal, plastic, and composite materials across diameters of 32–210mm. It comes furnished with a 6.35mm high-speed steel pilot drill and features a set-screw body for quick and easy pilot drill replacement without tool removal. Ideal for electricians, metalworkers, facilities engineers, and maintenance professionals who require repeatable accuracy and durability in industrial drilling applications.