These acrylic sign holders will complement the sales floor. The displays will attract more customers with the labels. These acrylic sign holders are great for discounted merchandise presentations. The display will emphasize the product that is desired to promote. The holders will sell more merchandise. Heres how the system works: 1) Choose size and style of frame that best suits your sign. 2) Decide which type of clamp will work best for your fixture: magnetic, spring, or C-clamp. 3) Complete the holder with the appropriate stem fitting and length.