General description 13-piece hole saw set designed for use with electric drills and hand drills. This set includes a range of sizes from 16 mm (0.63 inch) to 53 mm (2.09 inch), making it versatile for various applications including cutting through stainless steel, iron plates, copper, and wood. Technical specifications Sizes included: 16 mm, 18 mm, 20 mm, 22 mm, 25 mm, 26 mm, 28 mm, 30 mm, 35 mm, 40 mm, 45 mm, 50 mm, 53 mm Maximum cutting depth: 5 mm for metals, approximately 20 mm for wood Usage Ideal for creating round and clean holes quickly and precisely in various materials. It is recommended to use cutting fluid or drilling lubricant based on the material being machined to enhance performance. Other information Made of high-quality tungsten steel for durability Features sharp blades for smooth and fast cutting Compatible with hand drills, pillar drills, mobile magnetic drills, and belt drills