casting Washer\Turnable Wing Nut washer,reinforced with undetachable & Turnable Wing nut DW15/17 dia.118*118mm or 114x114mm scaffolding partcasting washer,reinforced with undetachable &turnable wing nut DW15/17.,allow load:150KNDIA.118X118mm or 114x114mmcasting Washer\Turnable Wing Nut casting Washer\Turnable Wing Nut