The Dunlop Aerogel 4D Ultimate squash racket double pack is dedicated for intermediate & advanced players. The racketseven balance & 135g (4.7oz) of frame weight generate unrivalled tour-style power & feel, while the multi-dimensional nano-sized molecular construction allows for enhanced stiffness & power without adding weight. In addition, these 27 (68.6cm) rackets come with full covers for protection.