Steel Detailed dimensions of parallel flange channels (PFC). Click on button to see more. PFC Detailed dimensions of universal beams (UB). Click on button to see more. UNIVERSAL BEAMS Detailed dimensions of universal columns (UC). Click on button to see more. UNIVERSAL COLUMNS Common dimensions of steel sockets. Click on button to see more. STEEL SOCKETS Common dimensions for hole gauges in steel angle. Click on button to see more. angle hole gauges Common dimensions for hole gauges in universal columns. Click on button to see more. uc hole gauges Common dimensions for hole gauges in universal beams. Click on button to see more. UB HOLE GAUGES Various RHS section properties details. Click on button to see more. RHS SECTION PROPERTIES