Specification Brand : LEKOMESH BulletPoint1 : 【Size】6pcs in total: 5pcs;4/5"(20mm)/1-3/8"(35mm)/2"(50mm)/3"(75mm)/4"(100mm) diamond tile drill bits + 1pc 1"(25mm) Diamond Drilling Milling Bit BulletPoint2 : 【Application】Dry drilling/milling for porcelain tile, granite, marble, stone, Masonry, brick... Wet drilling/milling can prolong the service life BulletPoint3 : 【Technology】This tiling installation kit is made of high quality diamond and steel by vacuum brazed diamond technology.provide very high efficiency, drilling and milling faster, durable and sturdy BulletPoint4 : 【Features】Fast and smooth drilling, long lifetime, less chipping.6mm-75mm Recommended RPM is 6000; Maximum RPM is 11000, 100mm Recommended RPM is 3000; Maximum RPM is 6000 Widely used in Angle Grinder. If you want to use electric drill or other machine, you can use SDS or HEX/Triangle Shank Adapter BulletPoint5 : 【Storage】Portable suitcase included. for easy carry and storage and protect of the diamond tools BulletPoint6 : [Update design]: U type slot design with fast drilling dust remove,reducing heat and improving work efficiency Color : Green CompatibleMaterial : Granite ExternallyAssignedProductIdentifier1 : 887861290531 ExternallyAssignedProductIdentifier2 : 0887861290531 ExternallyAssignedProductIdentifier3 : 00887861290531 FinishType : Uncoated HandOrientation : Right IncludedComponents : 8 Hole Cutters, 2 Pilot Drills, 2 Allen Keys ItemName : LEKOMESH Diamond Hole Saw Set 6pcs Tile Hole Saw Kit for Porcelain Tile Ceramic Marble Brick Concrete with 5/8"-11 Thread(20/35/50/75/100mm+25mm Drilling Milling Bit) ItemPackageDimensions_Height : 24.892 centimeters ItemPackageDimensions_Length : 10.6934 centimeters ItemPackageDimensions_Width : 20.5994 centimeters ItemPackageQuantity : 6 ItemTypeKeyword : hole-saw-sets Manufacturer : LEKOMESH Material : Diamond MfgSeriesNumber : CTH5000 ModelNumber : LE2-DA-L07 NumberOfFlutes : 2 NumberOfItems : 6 NumberOfPieces : 8 PackageLevel : unit PartNumber : LE2-DA-L07 ProductDescription : High quality Diamond Grain Diamond Hole Bits are made with High-strength steel and High quality Diamond Grain. Which could not only provide fast and smooth drilling, but also ensure longer workable life. Vacuum Brazed Vacuum Brazed Diamond Technology:More Heavy Duty and Wear Resistant than electroplated diamond bit, provide very high efficiency, cuts faster, durable and sturdy. Wax insert cooling Cooling wax inside,which can cool and lubricate the drill bit while drilling. High Quality Artificial Diamonds firmly attach the steel body by Vacuum Brazed technology and are sharp, thickened and durable.