CNC water jet cut 6061 .250″ aluminum. this sturdy aluminum roof rack is the perfect solution for all that stuff you need to carry but never had room for before. Pairs well with diamond S aluminum roof( https://diamond-smfg.com/product/rzr-4-seater-aluminum-roof/ ). Fits any aluminum roof that fits on stock roll cage. roof rack can be powder coated to match your ride. will fit RZR 1000 , 900. easy to install. roof rack comes unassembled so it can be shipped in a smaller box .