U.S. TRENCH DRAIN Deep Series 5.4 in. W x 5.4 in. D 39.4 in. L Plastic Trench and Channel Drain Kit w/ 316 Stainless Steel Grate (6-Pack) 83903-6 - The Home Depot
Strut 1-5/8" W x3-1/4" H, Pre-Galvanized, 12 Gauge, 10 FT (120") Length, Back to Back Steel Strut Channel
Hot Rolled/Cold Bended/H Beam/I Beam/U/Z/C/W/Omega/Black/Galvanized/Painted/Building/Solar Bracket/Ceiling/Steel Channel - China Steel Channel, C Channel | Made-in-China.com