What is the height of the ski mount when using the T-Slot adapter?

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Yakima T-Track Kit for FatCat and FatCat Evo Home » Accessories & Adapters » Adapters for products » Yakima Smart Slot Kit 8003098

: T Slot Bolts for Thule, Yakima Roof Rack Cross Bars, Platform, Cargo Basket, Stainless Square T Track Bolt Adapter to Secure Use this Yakima SmarT-Slot Kit 1 to mount your HighSpeed or HighRoad bike carrier into a T-track, like those on a Yakima JetStream, Whispbar,

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