Introducing the Erbauer Bi-Metal Holesaw, configured with a diameter of 102mm and engineered to excellence. Crafted with M3 bi-metal, this holesaw is devised to sail smoothly into wood and metal surfaces. With high-speed steel (HSS) teeth designed with diverse pitches, expect a clean and smoother cut every time. Note that this holesaw is sold independently of the arbor. This highly-efficient tool from Erbauer showcases unparalleled features and benefits, pushing the boundaries of woodworking and metalwork capabilities.