150mm Universal DA Backing PadHook and Loop5/16 Inch UNF ThreadDust FreeSuitable for air and electric tools fitted with 5/16"UNF threadFeatures: Suitable for air and electric tools fitted with 5/16"UNF thread. Compatible with dia 150mm hook-and-loop discs. Specification: Net Weight -0.21kg Pad Size -dia 150mm Suitability -dia 150mm Hook-and-Loop Papers Thread Size -5/16"UNF Further Information We sell a wide variety of tools and workshop equipment for both the DIY and Professional markets. Alias: ys00822 Loops 150mm Universal DA Backing Pad - Hook & Loop - 5/16 Inch UNF Thread - Dust Free