Specification Brand : SIGNI BulletPoint : Grinding Wheel,T1,6x1/2x1.25,AO,46G,PK5 BulletPoint1 : 4 Pack, 5X1/4X7/8-11, T27 Depressed Hubbed Grinding Wheel ,Proprietary material mix ensures durable long life wheels BulletPoint2 : Consistent performance from wheel to wheel through superior manufacturing process. Tested for balance, resulting in smooth, vibration free grinding. BulletPoint3 : High performance aluminum oxide grain for long life and high material removal BulletPoint4 : High grain concentration for agressive grinding action and smoother running wheels BulletPoint5 : 3 full sheets of fiberglass for durability and safety CompatibleDevices : Angle Grinder ConstructionType : Grinding ExternallyAssignedProductIdentifier : 3512727752898 ExternallyAssignedProductIdentifier1 : 0793513613880 ExternallyAssignedProductIdentifier2 : 793513613880 IncludedComponents : Grinding Wheel,T1,6x1/2x1.25,AO,46G,PK5 IndustryStandardIdentifier : 66252942207 ItemName : SIGNI Hubbed Grinding Wheel for Grinders - General Purpose Ferrous Metal Grinding Wheel with Arbor Thread (5 inch) ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 15 centimeters ItemPackageDimensions_Width : 14 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : surface-grinding-wheels Manufacturer : SIGNI Material : Aluminum Oxide Material1 : Fiberglass Material2 : Aluminum Oxide ModelName : SG7-2000-30 Cup Wheel ModelNumber : SG7-2000-30 NumberOfItems : 1 PackageLevel : unit PartNumber : DHLW ProductDescription : 4 Pack SIGNI Premium Hubbed Depressed 1/4" Metal Grinding Wheels. These wheels also feature the industry's fastest rotating operating speed, providing the fastest and effective stock removal and therefore maximal productivity. This Grinding Wheel is made from Brown Fused Aluminum (A), a hard and tough material with excellent high strength properties. Our Industry is designed for aggressive surface area removal. SIGNI's long lasting and reliable bonding materials are ideally suited for grinding metal applications. Safety Note: Operating a grinding wheel at excessive speeds is hazardous and can lead to breakage. Please refer to your angle grinder safety instructions for further information.