All steel parts are rust-resistant. Easy to install. Includes one each hook and eye turnbuckle, 90 in length of 1/8 in stranded steel cable, two each corner brackets, 1/4-20 x 5/8 in carriage bolts, 1/4-20 hex nuts, 1/4 in external tooth lock washers, four each cable clamps and 10 x 1-1/4 pan head screws.