T100-PGA-HPP-BLK polypropylene longitudinal slotted grates are independently certified to meet Load Class A tested in accordance with EN1433 (3,372 lbs. {15 kN). The grate length is 19.69” (.50 meter). The grate utilizes the patented “Clipfix” grate locking mechanism. The system (combined grate and channel) provides longitudinal shift protection.