Feature●HOLE SAW KITS MATERIAL - Made of high carbon steel, Black oxidation treatment on the surface, advantages of high-performance, rust protection and durable and long working life.●SAFETY AND DURABLE :Durable high speed steel Bi-metal with sharp teeth, perfect for hole cutting on metal, PVC board, wood, plastic and drywall, faster and cleaner cutting.●EASY TO INSTALL: The set included hex wrench and mounting plate for tool installation.Quickly and easily replace all tools needed for the saw.●HOLE SAW SET INCLUDES: Hole saw kit includes 13pcs saw blades, 1-1/4" (32mm),1-1/2" (38mm),1-3/4" (44mm), 2.12" (54mm) 1x Mandrels, 1 x Hex Key●PORTABLE STORAGE : Hole Saw The set comes with a customized case for portability. Designated slots in the case keep every piece in place. Improve work efficiencyDescription