Features 1、ACCURATE AND DURABLE: Hole saw kit bring accurate opening, saving time and effort, durable, bring smooth chip removal 2、INCISIVE AND STABLE: The teeth of the hole distance is incisive, the vibration is small, and the opening can be quickly balanced, making the operation more stable 3、SUITABLE FOR: Hole saws can easily cut softer materials, such as plastic and wood items, as well as harder materials, such as wood, plywood, plastic, drywall, soft plaster, cornhole board, and thin metal 4、STRONG ALLOY CENTER DRILL: The alloy center drill in the hole opener has high strength, good toughness and durability 5、APPLICABLE SCENARIO: Heavy duty hole cutter can also open holes for metal plates, aluminum alloy and other metal pipe fittings Specification Item Type: Hole Saw Kit Material: Alloy steel, high speed steel Hole Size: Approx. 19mm / 0.75in 22mm / 0.87in 29mm / 1.14in 32mm / 1.26in 38mm / 1.5in 44mm / 1.73in 51mm / 2.01in 64mm / 2.52in 76mm / 2.99in Package List 9 x Hole Saw 1 x Drill Bit 1 x Support 1 x Hex Wrench 1 x Storage Box