The SUP Taxi is a locking stand up paddle-board carrier that telescopes to fit a range of board widths. Features: Telescoping design delivers a custom fit for board widths up to 34" wide Four, One-Key locks (included); two for locking strap assembly and two for locking the mount to the roof Soft, weather resistant padding protects boards during transit Two board capacity 4 Thule One-Key locks: 2 for locking strap assembly and 2 for Speed-Link (included)