What are the differences in the components in the head rails?
Components in the head rail include tilt rods, cord locks, cord or wand tilters, drums and drum supports. All components basically function the same way but vary in the quality and/or the effectiveness of fulfilling their particular function. Steel tilt rods transfer radial torque better than aluminum tilt rods. Cord tilters are able to with stand more abuse than wand tilters and can accommodate the greater weight in the heavier slat materials. The size and composition of the component also determines the life of the product.