Load Tables Steel Weldforged/Pressure Lock Steel WB, WF (19-4, 19-2) Common 1/4″ bar 5/16″ bar 3/8″ bar Steel WD, WDF (15-4, 15-2) Common 1/4″ bar 5/16″ bar 3/8″ bar Steel WL, WLF (38-4, 38-2) 1/4″ bar 5/16″ bar 3/8″ bar Steel WP, WPF (30-4, 30-2) 1/4″ bar 5/16″ bar 3/8″ bar Steel WC, WCF (22-4, 22-2) 1/4″ bar 5/16″ bar 3/8″ bar Steel CM4, CM1 P-7-4, 7-2 P- and W- 11-4, 11-2 AIuminum Swage Lock/Pressure Lock Aluminum S-19 B, IB, F, BS, FS (S-19-4, S-19-2) Aluminum Safe-T-Grid® Safe-T-Grid® TB-940 Safe-T-Grid® TB-626 Aluminum P-11 and P-7 CM4 (P-11-4, P-11-2) CM1 (P-7-4, P-7-2) Plank Aluminum HD Aluminum Plank SL Aluminum Plank MEBAC® MEBAC® Plate MEBAC® Aluminum Plate MEBAC® Steel Plate