Heavy Duty 304 Stainless Steel construction. Sold in kits of 10. 3/8" tapped angle adapter includes fillister screws & washers. 3/4" angle adapter includes no additional hardware and is intended for use with Hose Clamps or Band-It materials. Universal angle adapter includes fillister screws, washers, and tapped insert. All kits stand 1-1/2" off leg.