Body Armor 4x4 JK-6124-2 Roof Rack - Box 2 of 2 Box 2 of 2 .120 wall steel tube. Durable Textured Black Powder Coat Finish. No Unsightly Cross Bars. Engineered To Hold Up To The Rigors Of The Trail. Simple Bolt Together Design With Grade 8 Hardware. Box 2 of 2 of roof rack base Box 1 and 2 required for installation