Strongest hurdle made of 50 mm square steel tube, polyurethane painted. (Galvanized version also available). PVC coated counter weights adjust to meet precise official pullover force at each of the 5 heights. Height is adjustable by easy snap locking system. Special design makes it easy to stack in minimum space. Vinex PRO HURDLE is backed by World Athletics confidence and has the experience of many international meets and that too at an attractive price.