NEWHOUSE ELECTRIC 1-5/8 in. 2 ft. 12 Gauge Steel Half-slot A Strut Channel, Slotted Back, Electro-Galvanized Metal U-Bracket SC12-2-EG - The Home Depot
Unistrut P1000H3-10HG: 1-5/8" x 1-5/8", 12 Gauge, Round Holes 3 Sides, Hot Dip Galvanized, 10 Feet
Unistrut P2072A SS Post Base for 1-5/8" Channel, 3.5" Upright - P2072A-SS (Options: Stainless Steel Options: Type 304)
Unistrut Channel 1-5/8 RES-500S-10-PGAL
Unistrut P2072 SS Post Base for 1-5/8" Channel - P2072-SS (Options: Stainless Steel Options: Type 304)
Amazon.com: Square Channel Strut Post Base 316 Stainless Steel 4 Hole 3-1/2" Leg 6" X 6" Qty 25 : Industrial & Scientific
4777S1) Stainless Steel Double Unistrut Channel Post Base Square Qty 1 | eBay
OhLectric Strut Post Base Single Channel with 4 Mounting Holes - Heavy Duty Galvanized Zinc Plated Square for Single Channel Fence Post Base - Side Orientation - 6-inch x 6-inch Base - OL-48010 - Amazon.com
Stainless Steel Shallow Strut Slotted 1-5/8" x 13/16" x 10 Feet | K.L. Jack