The original angled two snowboard rack now adapts to factory bars, round and square load bars. Clamp ons not required for mounting to factory racks. Can adapt to factory racks, as well as square and round load bars. Fully adjustable to accomodate different board widths.Two board angled design allows more room on top for a Thule box or ski carrier. Lock core included to secure boards in carrier, theft resistant hardware to secure carrier to rack.Now includes Thule's Fat Mouth clamp, for quick attachment to different actory racks.