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Package Included: 1 pc 2-1/8 inch hole saw, 1 pc arbor(with 1 drill bit), 1 pc replacement drill bit, 1 pc hex key
Sharp and Durable: This hole saw is of bi-metal construction with high speed steel saw teeth and special flexible steel saw body for longer life and sharper edges
Wide Application: The hole saw can be widely used for cutting thin metals, wood, plater board, plywood, duct, drywall, soft plaster, corn hole boards and plastic, good enough for the average DIYer and professional project
Easy to Use: Pass the pilot drill bit of arbor through the center circular hole on the back of the hole saw, and rotate the arbor until it is tightened
High Work Efficiency: The deep gullets on the sides of hole saw provides fast chip removal
Attention: The hole saw can't drill hole in glass ceramic concrete; Adding coolant or water is even better when drilling metal