The 24" Kayak/SUP Foam Block can be purchased as a single replacement, or, in multiples for the "do it yourself" paddler that is creating their own set-up. Sold in singles. Note: Safe kayak or SUP transport requires two blocks.
EVA foam block provides UV resistance and anti-tear strength
Non-skid bottom for bare roof installation
24" extra long length supports nearly all kayaks and SUPs
Universal bottom cut-out fits round, square and most factory oval load bars