Specification Brand : PORTER-CABLE BulletPoint : Sold on Amazon BulletPoint1 : Durable aluminum oxide grain for longer disc life and higher removal rates BulletPoint2 : Resin coated to resist heat and humidity for longer life BulletPoint3 : Finishing of wood, metal, fiberglass, plastic and painted surfaces BulletPoint4 : Application - Good accessories fit for drum sander or rotary grinders. used with sanding sleeves for deburring, grinding, shaping, or carving nut, wood, plastic, metal, stone, jade, ceramics, and other DIY production. BulletPoint5 : Note - Mandrel head size can be adjusted with the screw on the top. Adjust it smaller to slide in the sand drum or adjust it bigger to hold the sand drum tight. Color : Brown CompatibleMaterial : Stone CompatibleMaterial1 : Wood CompatibleMaterial2 : Aluminum CompatibleMaterial3 : Plastic CompatibleMaterial4 : Metal ExternallyAssignedProductIdentifier1 : 039404104830 ExternallyAssignedProductIdentifier2 : 0039404104830 ExternallyAssignedProductIdentifier3 : 00039404104830 ExternallyAssignedProductIdentifier4 : 0847962002204 ExternallyAssignedProductIdentifier5 : 00069554317989 FinishType : Powder Coated GpsrSafetyAttestation : 1 IncludedComponents : Spindle Sanding Sleeves ItemLength : 3.25 inches ItemName : PORTER-CABLE 777500503 3/4-Inch Spindle 50 Grit Sanding Sleeve (3-Pack) ItemPackageDimensions_Height : 2.032 centimeters ItemPackageDimensions_Length : 14.478 centimeters ItemPackageDimensions_Width : 10.922 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : sander-sleeves Manufacturer : PORTER-CABLE Material : Aluminum Oxide Material1 : Aluminum Oxide Material2 : Resin ModelName : 31-798 ModelNumber : 777500503 NumberOfItems : 10 OperationMode : Mechanical PackageLevel : unit PartNumber : 777500503 ProductDescription : Sanding sleeves require drum mandrels to be fitted onto them. The size of the sanding sleeve should match the diameter and length of the drum. It's crucial to ensure that the sleeves are adaptable to the drum's size to achieve proper fit and performance. Good accessories fit for drum sander or rotary grinders. used with sanding sleeves for deburring, grinding, shaping, or carving nut, wood, plastic, metal, stone, jade, ceramics, and other DIY production. Push the rubber mandrel into the sand drum, and then tighten the top screw. Mandrel head size can be adjusted with the screw on the top. Adjust it smaller to slide in sand drum or adjust it bigger to hold sand drum tight.