Specification Brand : Osborn BulletPoint : Lnterface: 3.5mmwireless Type: bluetooSound Track: DoubleSupport Memory Card: NoContent: AUDIO BulletPoint1 : Fill Material Steel BulletPoint2 : Brush Type Scratch BulletPoint3 : Overall Length (Inch) 11-3/8 BulletPoint4 : Number of Columns 11 BulletPoint5 : Brush Length (Inch) 5-1/2 CompatibleMaterial1 : Aluminum CompatibleMaterial2 : Wood CompatibleMaterial3 : Alloy Steel ConnectivityTechnology1 : Bluetooth ConnectivityTechnology2 : Auxiliary ExternallyAssignedProductIdentifier : 8318086844091 ExternallyAssignedProductIdentifier1 : 0712231973878 ExternallyAssignedProductIdentifier2 : 712231973878 HardwareInterface1 : bluetooth_5 HardwareInterface2 : bluetooth ItemName : Osborn - 4 Rows x 11 Columns Steel Scratch Brush - 5-1/2" Brush Length x 5-1/2" Brush Width, 11-3/8" OAL, 1-5/8" Trim Length, Scraper (4 Pack) ItemPackageDimensions_Height : 0.79 inches ItemPackageDimensions_Length : 5.51 inches ItemPackageDimensions_Width : 3.94 inches ItemPackageQuantity : 4 ItemTypeKeyword : wire-brushes Manufacturer : Osborn Material : Alloy Steel ModelNumber : ref220801we0136 NumberOfItems : 4 PartNumber : 53502241 ProductDescription : Steel is the most common fill material due to its durability and cutting action. It is suitable for general purpose applications and can be used on iron, steel, aluminum, brass, copper and wood. Scratch brushes are constructed of dense filament/wire with an even trim for a consistent brushing action. They are used in general maintenance applications. ProductSiteLaunchDate : 2020-01-03T03:35:56.829Z Size : Small Style : Modern SupplierDeclaredDgHzRegulation : not_applicable SupportsBluetoothTechnology : 1 WirelessCommStandard : bluetooth