The GE128-C National Aerospace Standard Grommet Edging protects and prevents wires and cables from chafing against sharp edges of panel walls and knockouts. Nylon material. Designed for 0.085" - 0.128" (2.2 mm - 3.3 mm) thick panels. 12.75" (323.9 mm) long. Color Natural White. 100 per package.