Concentric
| RGC06550 | 65×50 Buttweld Conc Red, SGP |
| RGC08050 | 80×50 Buttweld Conc Red, SGP |
| RGC08065 | 80×65 Buttweld Conc Red, SGP |
| RGC10050 | 100×50 Buttweld Conc Red, SGP |
| RGC10065 | 100×65 Buttweld Conc Red, SGP |
| RGC10080 | 100×80 Buttweld Conc Red, SGP |
| RGC15080 | 150×80 Buttweld Conc Red, SGP |
| RGC150100 | 150×100 Buttweld Conc Red, SGP |
| RGC200150 | 200×150 Buttweld Conc Red, SGP |