Soft Touch Spike Down Double First Base Set includes: (1) 15" Double first base non-release type base, (2) 15" Bases, (3) Mounting tees, (1) Spike-down disk, (10) 12" spikes. Complete set allows you to install and remove quickly and easily on any field. The double first base offers space for both the fielder and base runner, so collisions are avoided down the first base line. Spike Down Soft Touch double first base. Bases made from cut-resistant polyurethane for ultimate durability. Double first base anchors with a mounting tee, spike-down disk and spikes. Spike•Down bases require no in-ground mounting system, and can be installed at game•time.