[SLSM] Backstroke: Universal Start Wedge / Ledge System

Features & Benefits:Supply only adjustable backstroke start wedge (ledge) to fit most starting platforms with extra length straps & stainless steel fittingsHeight Adjustments made on straps with latest stainless steel hook & plate design for fast, easy & secure height adjustmentBest suited to squad of swimmers needing regular adjustmentsSet to your pool water depthAdjustable to 4cm above water level and 4 cm below water levelPopular for schools, colleges/ universities & clubsComply with FINA, NCAA, USAS and USMS  specifications and are made to the highest International Standard