The GAME grille gates are a steel welded construction, which are available in two different strengths:
Medium Duty: Includes 20mm diameter solid vertical bars which are set in a 50 x 25mm rectangular hollow section framework.
Heavy Duty: Includes 30mm diameter solid vertical bars which are set in a 65 x 12mm solid section framework.
Visit the Game Security Engineering Ltd website for more information on Grille Gates