The GEE189F-A-C Polyethylene Solid Grommet Edging protects and prevents wires and cables from chafing against sharp edges of panel walls and knockouts. Soliod edging recommended for use on straight edges only. The material is highly flexible, while the adhesive lining ensures the product will stay in place. Packaged on a 100' (30.5m) reel for easy handling and dispensing. Polyethylene. Designed for 0.144"-0.189" (3.66 mm-4.8 mm) thick panels. Color Natural. 1 per package.