OTLIVE 2 Sets (4 Racks) 150lbs Universa Kayak Carrier Roof Rack Holder Snow Ski Surf Canoe Board Car Truck Mounted Top Crossbar J-Bar Overall size - Each bracket measures 17.5"(L) x 5.5"(W) x 16.5"(H) Each Kayak Rack Maximum Load: 150lbs The mounting bracket fits EPDM pads UV protected Put it on the top of the car, you can carry your boat to everywhere