The Milwaukee® Hole Dozer™ 4-1/8" Diameter Hole Saw is engineered in the USA with Rip Guard™, the industry’s strongest tooth form, ensuring exceptional durability and cutting performance. Its bi-metal construction, enhanced with 8% cobalt, offers superior wear resistance for demanding applications. Designed to cut through stainless steel, sheet metal, wood, plastic, and more, it delivers versatile, reliable results. The innovative Plug Jack™ slot allows quick and easy plug removal, minimizing downtime. Backed by a limited lifetime tooth break warranty, this hole saw is a professional-grade tool built for longevity and efficiency. Arbor sold separately.