Anti Wave is excited to introduce their new line of fiberglass Starting Blocks! The "Super 400" is the cornerstone of their racing platform line. With a design tested and tried around the world, the Super 400 combines proven performance with undeniable value. • Made of top-quality materials - the base and top are of rugged hand-laid fiberglass, while the fittings are stainless steel - Dynaset. ® Drop-in anchors are included. • Easy to assemble and install- Anti Wave supplies assembly and installation instructions with each shipment. • Comes with AntiWave's comprehensive 3-year warranty.