1、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 2、ACCURATE AND DURABLE: Hole saw kit bring accurate opening, saving time and effort, durable, bring smooth chip removal 3、SUITABLE MATERIAL: Hole saws can easily cut softer materials, such as plastic and wood items, as well as harder materials, such as wood, plywood, plastic, soft plaster, cornhole board, and thin metal 4、TOUGH 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 Item Type: Hole Saw Kit Material: Alloy steel, high speed steel Specification: 3/4in(19mm) 7/8in(22mm) 1-1/8in(28mm) 1-1/4in(32mm) 1-1/2in(38mm) 1-3/4in(44mm) 2-1/6in(54mm) 2-1/2in(64mm) 3in(76mm) 3-1/2in(89mm) 4in(102mm) 5in(127mm) 6in（152mm) 1 x Large Connecting Rod 1 x Small Connecting Rod 1 x Hex Wrench 1 x Gasket 13 x Hole Saw