Channels | MP Metals Products is a quality producer of common metal channels
2NJE3 | C Channel 1/4 Inch Leg 1 Inch x 10 Feet Uhmw | Raptor Supplies Worldwide
2 Inch Hollow Square High Quality Cheap Steel Channel Galvanized Three Side Slotted C Channel Steel - China Channel Steel, C Channel | Made-in-China.com
Everbilt 1/2 in. W x 1/2 in. H x 96 in. L Aluminum C-Channel with 1/16 in. Thick 802657 - The Home Depot