Using mounting squares with an outdoor-compatible adhesive backing and 3M Dual-Lock technology, Rod Savers Portable Rod Storage secures your rods wherever theyre needed. Additional mounting squares (not included) can be used to set up a system that lets you move the storage unit from location to location with ease. Mounts adhere to plastic, wood, masonry, metal and aluminum. Available:Four Rod, Six Rod, Eight Rod. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Rod Holder.