This washer prevents a quarter turn fastener from pulling through fiberglass or repairing sheet metal. It goes on the outside of fiberglass.

Dimensions:
1-3/4 Outside Diameter
7/16 Inside Diameter

dzus zeus

This washer prevents a quarter turn fastener from pulling through fiberglass or repairing sheet metal. It goes on the outside of fiberglass.

Dimensions:
1-3/4 Outside Diameter
7/16 Inside Diameter

dzus zeus