The Add-On Material Clip gives you a greater height and can be easily adjusted. Available in 3 sizes. (1) size fits the 5/8" body of the Professional, Supreme or Monarch. Size (2) fits the 1/2" body of the Prince, Squire, Duke, Aristocrat, X-1, Voyager, and FC enhanced. Size (3) fits the bend of the Barracuda or Barracuda Junior.