Suitable for air and electric tools fitted with 5/16UNF threads.Ø145mm DA Dust-Free Backing Pad for Hook-and-Loop Discs 5/16UNF• Suitable for air and electric tools fitted with 5/16UNF thread.• Compatible with Ø150mm hook-and-loop discs.• Model No. PTC150DFVModel No: PTC150DFV:Brand: Sealey:Nett Weight: 0.14kg:Pad Size: Ø145mm (Firm):Suitability: Ø150mm Hook & Loop:Thread Size: 5/16UNF:PTDSEAPTC150DFV