features 1Milling Cutter: Mainly used for the hole milling, trimming, shaping, enlarging and so on, suits for various hole diameter. 2Practical Uses: Allows for application on a variety of stone material, including but not limited to granite, quartz, etc. 3Stable Working: 5811 thread design enables firm fixing without falling, while the heat dissipation holes ensure stable working. 4Great Material: Premium diamond material has largely improved the sharpness, which also has great durability with wearing. 5Easy to Install: Comes with a light weight and a compact size as well, the installation can be quickly finished in minutes.SpecificationItem Type: Diamond Milling BitMaterial: Alloy steel, diamond. .wang-edit-text{ font-family:&39;Arial&39; important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Diamond Milling Bit"