About SKU - (Stock Keeping Unit SKU) is a unique identifier for each of the items we offer. We created our own codes based on various characteristics of our SOLID products. SKUs are used as a system to differentiate and categorize our products in SERIES an efficient and clean way. You can request a specific model by sending us the SKU. Pedestrian G135-1-3 Pedestrian G135-1-1 Double Swing G135-2-3 Double Swing G135-2-1 Sliding G135-S-3 Sliding G135-S-1 Overhead G135-O-3 Overhead G135-O-1 Fence F135-F-3 Fence F135-F-1 Panel P120-F-25 Panel P120-F-25 PROFILE 24 X 40 PROFILE 24 X 60 Pedestrian G135-1-6 Pedestrian SLG-135-1-1 Double Swing G135-2-6 Double Swing G135-2-1 Sliding G135-S-6 Sliding G135-S-1 Overhead G135-O-6 Overhead G135-O-1 Fence F135-F-6 Fence F135-F-1 Panel P120-F-25 Panel P120-F-25 PROFILE 24 X 120 PROFILE 24 X 60 30