With the Bahco 3834-SET-86-SP bi-metal holesaw set, you can cut clean circular penetrations for pipes, cables, and back boxes with ease. This 12-piece set features nine common diameters from 19 to 76 mm, covering your needs across wood, plastic, steel, and stainless steel. The durable bi-metal construction and 38 mm cutting depth deliver long-lasting sharpness and dependable cutting performance through tough materials. Built-in side slots make core removal fast so you can keep working without interruptions. Complete with dedicated arbors and pilot drills, every piece stays organized and protected in the durable carry case.