The Grainger 14H723 is a 14-inch diameter, high-speed steel hole saw designed for cutting holes in wood, plastic, and light metals. It features bi-metal construction with M42 high-speed steel teeth brazed to a carbon steel body for durability and long life. The 14H723 has a 1-1/8 inch arbor hole and comes with a pilot bit for guiding the cut. Overall length is 3-1/2 inches. Made in the USA, this hole saw is ideal for electricians, plumbers, HVAC technicians, and general contractors who need to cut precise, clean holes.