Alligator Clip Sign Holder - Aluminum Cube Base. This convenient sign holder will display signage virtually anywhere in your store. The sign holder with aluminum cube base features an alligator clip for extremely easy and fast signage installation and changing. Use this metal base alligator clip sign holder to display pricing, names of food items in grocery store display cases or buffet tables, product information or anything relevant to your merchandise. The alligator clip sign holder with aluminum cube base measures 4 1/4" high.