Product Description Made from high carbon steel: Hard, tough and durable. Blade Sizes from 19MM to 127MM (12 Sizes option Blades).Hole Orientation Guide: The rod is used to connect the hole saw and drill chuck, it has positioning function in working.Metal hole saw: Teeth using high frequency quenching technology. Greatly improves efficiency of cutting.Cutting depth:25mm.Contents: 12 Pieces Hole Saw (19,22,29,32,38,44,51,64,76,89,102,127mm), 1 Pc Mandrel with 1 Pc h.s.s. Pilot Drill, 1 Pc Hex Key Wrench, 1 Pc Drive Plate.
