General description Sealey Universal Dust-free Hook-and-Loop DA Backing Pad is designed for efficient sanding and polishing. This 150mm backing pad features a 5/16" UNF thread, making it suitable for both air and electric tools. It is compatible with 150mm hook-and-loop discs, ensuring a secure fit for various sanding applications. Technical specifications Diameter: 150mm Thread Size: 5/16" UNF Manufacturer Part Number (MPN): AK290 EAN: 5024209096980 Compatibility and accessories Compatible with air and electric tools fitted with 5/16" UNF thread Works with 150mm hook-and-loop sanding discs Other information