General description One set is enough to meet most drilling needs in the workplace. The diamond hole saw kit is designed for durability and efficiency, featuring high-quality materials that ensure a long service life. The set adopts a high anti-corrosion electroplating process, and the top is thickened with a diamond coating to provide excellent cutting strength, achieving high-precision and smooth cutting. Technical specifications Drill bit sizes: 6mm (0.24 inch), 8mm (0.31 inch), 10mm (0.39 inch), 12mm (0.47 inch), 14mm (0.55 inch), 16mm (0.63 inch), 18mm (0.71 inch), 20mm (0.79 inch), 22mm (0.87 inch), 25mm (0.98 inch), 26mm (1.02 inch), 28mm (1.1 inch), 30mm (1.18 inch), 40mm (1.57 inch), 50mm (1.97 inch) Length of the adjustable hole saw guide clamp: 3/32 inch to 3-1/4 inch Overall length of the kit: approximately 19cm Material: plastic and metal Compatibility and accessories Includes 1 single suction cup tile hole locator Includes 1 screwdriver for cleaning debris left in the