Everbilt 3/4 in. x 48 in. Aluminum Angle with 1/8 in. Thick 801717 - The Home Depot
MetalsDepot® - Buy 6061 Aluminum Angle Online!
Everbilt 1-1/2 in. x 12 in. Zinc-Plated Slotted Angle 800097 - The Home Depot
Hillman 1-1/4-in W x 1-1/4-in H x 8-ft L Zinc-Plated Steel Perforated-Slotted Angle in the Angles department at Lowes.com
Amazon.com: Allstar Aluminum Angle Stock, 90 Degree, 1 in Wide, 1 in Tall, 1/8 in Thick, 73 in Long, 3/8 in Slots, Aluminum, Natural, Each : Automotive
1/2 in x 10 ft Aluminum Perforated L Angle at Slegg Building Materials