FatCat 4 rooftop snow mounts handle up to 4 pairs of fat skis or 2 snowboards * Ergonomic one-button operation makes them easy to use without taking your gloves off * Proprietary hinge system and aerodynamic nesting arms keep it compact and low profile * Universal mounting hardware fits car rack systems with round, square and most factory crossbars right out of the box * Integrated binding lift for extra clearance between gear and roof SKS locks included