Hackle, if I'm not mistaken, K1 is approximately 85mm. This is the Zagger 65. I don't know if either are floating or sinking. Everything in the photos is included. The condition has some minor scratches, but it's relatively clean. Please note that we cannot offer a discount on this product. This is a used item, so please refrain from purchasing if you are sensitive to such things. Also, returns are not accepted to prevent product substitution, so please understand.