【12-PIECE SET】This diamond tile hole saw kit includes 12 essential pieces: 7pcs diamond core drill bits with 5/8"-11 Thread, 1/4''(6mm),5/16''(8mm),3/8''(10mm),1''(25mm),1-3/8''(35mm),2''(50mm),2-11/16''(65mm); 1pc finger bit (3/8"); 1pc beveling chamfer bit (2"); 1pc SDS shank adapter; 2pcs X-mash diamond saw blade (4.5"). APPLICATION---tile hole saws designed for dry drilling, milling, and chamfering on porcelain tiles, granite, marble, stone, masonry, and brick. For extended tool life, wet drilling is recommended. Ideal for both DIY enthusiasts and professional contractors. Diamond Blade for cutting and grinding Porcelain Ceramic Tile Marble Granite etc. FEATURES---Crafted with premium diamond and steel using advanced vacuum brazed diamond technology, this kit ensures exceptional efficiency, faster drilling, and long-lasting durability. ATTENTATION---Recommended RPM for hole saws: 6000 (max 11000); for tile blade: 8000 (max 13200). Suitable for use with angle grinders, hand drills, and bench drills (adapter included). Tile Blade need to be flanged to fit any standard grinder 5/8-11. Easy to Carry---Portable box included. For easy carry and storage and protect of the diamond tools. Premium Diamond Tile Hole Saw Kit – Precision Cutting for Porcelain Ceramic Marble Brick Granite – Durable, Versatile, and Easy to Use for Flawless DIY & Professional Results