T100-PGB-13-LS galvanized steel longitudinal grates are independently certified to meet Load Class B tested in accordance with EN 1433 (28,100 lbs. (125kN). The grate length is 39.37” (1 m). The grates utilize the patented “Clipfix” grate locking mechanism. The system (channel and grate) provides longitudinal shift protection. Optional 19.69″ (.50 m) grates are also available in Load Class B (Part # T100-PGB-13-LS-500).