Sealey Hook & Loop Backing Pad 50mm x M6 x 1mmSuitable for air and electric tools with 1/4UNC or M10 thread.• Diameter: 50mm, Thread: M6 x 1mm. • Suitability: Hook-and-loop papers. • Model No. PTC50VA• Suitable for air and electric tools with M6 x 1mm thread.50mm M6 x 1mm Hook & Loop Backing Pad