Product details:

Dynaflex-padded bails provide protection and grip Accessory Lock Housing and SKS cores add security (sold separately) Set of four No additional tools required Simple, economical way to attach Yakima mounts to your factory or aerodynamic car rack system. Dynaflex padding provide protection and grip. Compatible with most Yakima mounts (except rooftop bike Fork Mounts). Sold in sets of 4. Tool-free installation.