B-Line B22SH-120SS4 1-5/8"W x 1-5/8"H Channel, 9/16" x 11/8" Slotted on 2" Centers, 12ga, 10ft Length, Type 304 Stainless Steel | Cooper Electric
Unistrut 1-5/8'' x 1-5/8'' Slotted Channel, 12 Gauge Pre Galv — Sky High Supply Company
NEWHOUSE ELECTRIC 1-5/8 in. 4 ft. 12 Gauge Steel Half-slot A Strut Channel, Slotted Back, Electro-Galvanized Metal U-Bracket SC12-4-EG - The Home Depot