DBI-SALA Advanced Floor Mount Sleeve - Zinc Plated* This Floor Mount Sleeve mounts to horizontal concrete or steel structures to provide an anchor point base for an offset davit mast. * This davit base bolts to concrete or steel floors where confined space system set up is frequently required and provides a permanently installed davit mast base. * The Zinc plated hardware offers great corrosion resistance and can handle the toughest environments for added longevity. * This Davit Base is built with