CAMP PENCIL ZINCS - Pencil zincs are designed to protect your marine engines from corrosion. They are to be screwed into the port on the raw seawater side of a heat exchanger. In order to make sure that you are getting the maximum protection, be sure to replace the pencils on a regular basis. This product is sold by the each. Does not include the bronze plug.

DIMENSIONS
E-0 - 3/8" D x 1-3/4" L
E-1 - 1/2" D x 2" L
E-1F - 1/2" D x 1-1/4" L
E-2 - 5/8" D x 2" L
E-3 - 3/4" D x 2" L
E-4 - 3/4" D x 3-3/8" L