Helps Your Children Develop Coordination and Strength! Trapeze bar comes with heavy-duty zinc plated chains (3 ft length) and a plastisol coated, 21" long steel bar for firm gripping. Also comes with plastic triangular rings attached to the bar. Hardware to attach to swing beam sold separately. Extra chain length can be added if desired - the extra links will be attached to the existing chain with a galvanized s-hook.