1 ft x 1 34 in Armstrong Silhouette XL 916 in Bolt Slot

Ceiling Grid Options bolt slot grid Armstrong Ceilings uses 916 grid face suspension systems with a variety of different ceiling tiles Easy Bolt Slot bolt slot grid, with one being a I would add that A & B are commonly called T style and C are referred to as silhouette or bolt slot

bolt x up slot grid on shadow Value Collection Product Image Feedback Value Collection Steel T-Slot Bolt: 34-10, 2″ Thread Length, 78″ Slot Width, Uncoated 4-12″