The table below indicates section x gauge and then the product reference.

C Supplied as Swaged Stud  
65mm x 1mm SS6510
100mm x 0.7mm SS10007
100mm x 1.0mm SS10010
100mm x 1.2mm SS10012
100mm x 1.6mm SS10016
150mm x 1.2mm SS15012
150mm x 1.6mm SS15016
U Supplied as Track  
65mm x 1mm T6510
65mm x 1.2mm T6512
100mm x 0.7mm T10007
100mm x 1.0mm T10010
100mm x 1.2mm T10012
100mm x 1.6mm T10016
150mm x 1.2mm T15012
150mm x 1.6mm T15016
Double Stud (Assembled)  
65mm x 1mm DS6510
65mm x 1.2mm DS6512
100mm x 1.0mm DS10010
100mm x 1.2mm DS10012
150mm x 1.2mm DS15012
Compound Beam (Assembled)  
65mm x 1mm CB6510
65mm x 1.2mm CB6512
100mm x 1.0mm CB10010
100mm x 1.2mm CB10012
100mm x 1.6mm CB10016
150mm x 1.2mm CB15012
150mm x 1.6mm CB15016