The Milwaukee HOLE DOZER hole saw kit is designed for drilling holes in various applications. This hole saw features bi-metal construction with 8% cobalt for enhanced wear resistance. The durable Rip Guard tooth form is one of the strongest in the industry and comes with a limited lifetime tooth break warranty. Plug Jack functional slot design supports fast plug removal there by minimizing downtime. wide, angled and offset slots provides easy plug access. It is ice hardened to deliver up to 50% longer life than the competition. Kit contains 19mm, 22mm, 25mm, 29mm, 32mm, 35mm, 38mm, 44mm, 51mm, 54mm, 57mm, 64mm, 67mm, 76mm, 83mm, 86mm, 92mm, 95mm, 105mm, 108mm, 114mm, 121mm hole saws, 3 arbours and 3 pilot drills.