The AntiWave Backstroke Start Ledges are a simple and practical backstroke starting device for swimmers to perform top performance backstroke starts. Suitable for training and competition, the Ledge assists swimmers with the fastest possible starts by providing positive traction on the pool wall. The Backstroke Start Ledge has a simple manual height adjustment and is suitable for connection to all standard starting blocks including all Anti Wave Blocks. Meets all FINA regulations, developed in consultation with Australian Backstroke Swim team members, the Ledge is simple to adjust from in the pool by the swimmer or on the pool deck by the coach.