Specification Brand : Luo ke BulletPoint1 : Made of premium diamond particles and alloy, durable and sharp cutting BulletPoint2 : T shape design, asscorted sizes from 0.5mm to 10mm, details carving for materials BulletPoint3 : Specific 3/32 inch shank fits electric rotary tool, drill and pneumatic power tools BulletPoint4 : Suitable for stone, glass, ceramics,gemstone,carbide,tile,jewelry,rock etc BulletPoint5 : Package contents: 13 pieces 3/32 inch shank diamond burr( T shape ) Color : 13pc T Shape Diamond Durr ExternallyAssignedProductIdentifier1 : 749877633620 ExternallyAssignedProductIdentifier2 : 0749877633620 FinishType : Finished GpsrSafetyAttestation : 1 IncludedComponents : 13 pieces 3/32'' shank T shape diamond burr. ItemName : ItemPackageDimensions_Height : 9.2964 centimeters ItemPackageDimensions_Length : 0.9906 centimeters ItemPackageDimensions_Width : 5.6896 centimeters ItemPackageQuantity : 11 ItemTypeKeyword : cutting-burrs Manufacturer : Luo ke Material : Metal Material1 : diamond Material2 : metal NumberOfBoxes : 1 NumberOfFlutes : 2 NumberOfItems : 13 PartNumber : QH936 ProductDescription : Diamond Burs can fits rotary tool, grinder, drill and pneumatic power tool. Diamond burr suitable for carving stone, gemstone, glass, aluminum, rock, etc. Warm Prompt: 1. On the new tools must be installed when the tool is to try whether the beating. have to adjust to not jump to use. Otherwise the tool is quickly worn out and the carved object are not very smooth. 2. Be sure to cool the water (like a drip device like a drip in a hospital) when you carving. if dry drilling then the diamond on the head of the tool is graphitized by overheating, and it is quickly worn out.