Keelguard Flexstep Base Mount KitMulti angle extendable step system that attaches to the trailer frame giving convenient access to virtually anywhere on the boat. Simply and securely fits 3", 4" or 5" trailer frames in just minutes and extends and retracts from approximately 16" to 22". 300 lbs. capacity. 5 Pre set angles of 22, 45, 67, and 90 degrees Manufactured from high tensile anti corrosive 6061 T6 aluminum. Each step includes a rubberized, 3M non skid grip, providing secure