Check the listing for details. Clear Plastic Peg Board Label Holder for Non-Adhesive Label. Condition: New. Listed at 84.49 USD. The plastic covers convert your single wire holders into scan hooks to suit many different purposes. These peg board label holders are easy to install without having to remove hangers. The forms have an opening for 2 1/2" x 1 1/4" (W x H) non-adhesive signage.