General description Upgrade your tool collection with the Mophorn 6PCS Diamond Hole Saw Set, featuring six different sizes ranging from 20mm to 60mm (0.79 to 2.4 inches). Equipped with M14 threading, these drill bits are designed for fast and precise cutting, making them ideal for a variety of hard surfaces such as tiles, ceramics, and granite. The set ensures efficient chip removal and clean cuts without the need for water, keeping your workspace tidy while achieving professional results. Technical specifications Gross Weight: 1.5 kg / 3.3 lbs Drill Bits Diameter: 20/35/38/43/50/60 mm / 0.79/1.4/1.5/1.7/2/2.4 in Total Length of Each Drilling Bit: 60 mm / 2.3 in Carborundum Height: 15 mm / 0.59 in Package Dimensions (L x W x H): 24 x 17 x 11 cm / 9.4 x 6.7 x 4.3 in Mounting Thread: M14 Installation To ensure accurate drilling, these diamond drill bits connect to an angle grinder. Start by drilling a pilot hole to prevent the bit from drifting, making the installation straightforward