Premium Quality and Comprehensive Sizes: This set includes 10 diamond hole saws with sizes ranging from 6 mm (1/4") to 50 mm (2"), catering to various drilling needs. Each bit is crafted using advanced brazed technology for sharp, precise cuts and enhanced durability. Durable and Efficient: Constructed with diamond-integral steel and utilizing a high anti-corrosion brazing process, these hole saws offer exceptional longevity and efficiency. The robust design ensures they remain sharp, making them ideal for drilling through tough materials. Versatile Dry and Wet Drilling Options: Engineered for both dry and wet drilling applications, these hole saws maintain performance under high heat conditions typical of dry drilling. For optimal results and extended tool life, water lubrication is recommended during use. Eco-Friendly and Low Dust Emission: Designed to produce less dust during operation, these hole saws help maintain a cleaner work environment. This feature is crucial for safe, dust-free drilling, making them suitable for indoor and outdoor projects. Multi-Material Drilling Capability: Perfect for a wide range of materials including ceramic, porcelain tiles, granite, marble, stone, masonry, and brick. This versatility makes the set ideal for various home improvement, tiling, and DIY projects, ensuring professional results. Features: Variety of Sizes: The kit contains 10 essential sizes: 1/4", 3/8", 1/2", 7/8", 1", 1-1/5", 1-3/8", 1-7/12", 1-3/4", and 2". Durable Design: Crafted with diamond-integral steel and a brazed process for durability. The thick diamond coating provides fast, precise cutting and the brazed design offers resistance to wear and heat. Wet or Dry Use: Suitable for both dry and wet drilling. For optimal performance and longevity, water lubrication is recommended during wet drilling. Dust-Free Opera