Reinforcing coupling systems SAS AccessoriesSAS 550 accessories Ø12,0 - 75,0 mm (Poland)8.47 MB SAS 500 threaded coupling and anchorage Ø12,0 - 50,0 mm (Germany)3.70 MB SAS 550 threaded coupling and anchorage Ø12,0 - 63,5 mm (Austria)4.53 MB SAS 555 threaded coupling and anchorage Ø57,5 and 63,5 mm (Germany)6.24 MB