Leader Accessories Folding Kayak Rack 4 PCS/Set J Bar Car Roof Rack for Canoe Surf Board SUP On Roof Top Mount on SUV, Car and Truck Crossbar with 4 pcs Tie Down Straps[ HEAVY DUTY CONSTRUCTION ] The racks are made of 22mm diameter and 1. 5mm thick steel tube, 8. 5 "widening design, stronger than else. Black Powder Coated Steel for Durability & Rust Prevention Plus Long Lasting, can resist all weather condition and use for a long life. 150 Lbs Tested, easy and safe for your transport. [ FOLDING AND ERGONOMIC DESIGN] Ergonomic quick release design, more easily to fold and raise the racks than others. Racks can be