... bracket , bracket ,wall mounting. different size are available sample are free OEM offered cantilever arms, wall mounting bracket , bracket ,wall mounting ... can be used with pipe clamps. Specification1. Material : carbon steel2. Channel thickness: 12 Ga. (2.5 mm), 14 Ga. (2.0 ... . Surface treatment: electro-galvanized, hot-dipped galvanized and powder coated channel bracket