XDOVET Bi-Metal Hole Saw Kit, 6 PC General Purpose 7/8" to 2-1/2" Set with Case. Used for Precise Drilling On Metal, Wood, Plastic, and Doors. Durable High-Speed Steel - HJKKQ-6PCS

• [High quality and safety] HSS bi-metal hole saws are much better than and totally different from any carbon steel ones (Carbon Steel, work on wood only, no metal), much more durable and can offer a up to 50% longer life, great heat resistance. [Package Includes] Bi-Metal Hole Saw Kit contains 6 pcs size saw blades:22mm ( 0.86 in), 29m (1.14 in), 35mm (1.37 in), 44mm (1.73 in), 51mm (2 in), 64mm (2.51 in), max cutting depth of 38mm, 1 big arobr(with drill bit),1 small arobr(with drill bit) ,1 drill bit for replacement and 1 hex key.6 accessories to meet all your needs. [High precision and fast cutting ] The tooth of the saws has been optimized and improved many times, higher cutting efficiency, cleaner and smoother cutting, higher precision. the chip removal groove added on the side of the hole saw can discharge the chip rapidly. [Wide application] Sharp serration perfect for hole cutting on metal, wood, PVC board, plastic and drywall, clean and smooth cut, high precision. [XDOVET service] We are committed to providing you with good products and excellent service .If you find any problems when you use it, feel free to contact with us. We would try our best to assist you and ensure.