General description Elevate your drilling tasks with the Mophorn Diamond Holesaw Set, which includes 6 diamond drill bits ranging from 20mm to 68mm (0.8 to 2.7 inches) in diameter. This versatile set is designed for effortless and precise cutting, ensuring a clean workspace without the need for water. Ideal for both professional and DIY projects, it combines durability with easy handling for effective results. Technical specifications Total Length of Each Drilling Bit: 2.4"/60 mm Mounting Thread: M14 Gross Weight: 15 lbs/6.5 kg Package Dimensions (LxWxH): 12"x10"x4"/300x250x100 mm Drill Bits Diameter (mm): 20/35/40/45/50/68 mm Drill Bits Diameter (Inch): 0.8"/1.4"/1.6"/1.8"/2"/2.7" Carborundum Height: 0.5"/13 mm Installation The diamond drill bits can be easily connected to an angle grinder. For precision, it is recommended to drill a pilot hole first to prevent the saw from wandering from the desired location. Usage Start drilling at a 45-degree angle and then shift to a 90-degree