Features High-Speed Steel Durability: Crafted from high-speed steel, these drill bits offer exceptional sharpness and wear resistance, significantly enhancing your drilling efficiency Rapid Drilling Performance: Engineered for fast drilling, these bits ensure you can complete projects quickly without compromising on quality Versatile Application: Ideal for various materials like stainless steel, iron, copper, aluminum, wood, and Features: 1、This drill cutter is made of diamond material, with a incisive blade and wear. 2、The high-efficiency oval chip hole design is more conducive to the discharge of chips, and the cutting resistance is small. 3、This profional hole opener is suitable for marble, concrete, artificial stone, etc. 4、The drilling speed is fast, the service life is long, and the sharpn has a long service life. 5、This diamond hole saw drill is small in size, easy to carry and store, easy to use, and good in performance. Specification: Item Type: Diamond Hole Saw Drill Material: Diamond Proc: Brazing Drilling Depth: ≤30mm Total Length: Approx. 65mm / 2.6in Specification: Approx. 6mm / 0.2in 8mm / 0.3in 10mm / 0.4in 12mm / 0.5in 14mm / 0.6in 16mm / 0.6in Package List: 1 x 6mm Drill 1 x 8mm Drill 1 x 10mm Drill 1 x 12mm Drill 1 x 14mm Drill 1 x 16mm Drill Package List 1 x 6mm Drill 1 x 8mm Drill 1 x 10mm Drill 1 x 12mm Drill 1 x 14mm Drill 1 x 16mm Drill