The Hef-T-Foot™ FF-600-S-KIT is a mini split installation kit that includes a pair of 23.6 in. rubber bases with strut inserts that are used to mount A/C condensing units, air source heat pumps and a variety of outdoor equipment. All necessary hardware to attach equipment to the Hef-T-Foot is included with the kit. The FF-400-S-KIT foot base dimensions are 23.62 in. L x 7.28 in. W x 3.94 in. H. The galvanized strut insert dimensions are 23.62 in. L x 1.6 in W. x .83 in. H.