Tear Drops Anodes; all zinc anodes conform to Mil-A-18001, all aluminum anodes conform to Mil-A-24779.

• TD-S: 3/4" x 1-5/8" x 3-5/8",  screw hole (1 3/8" - 1 3/4")
• TD-L 1/4: 3/4" x 2-1/8" x 5-1/4", screw hole (1 9/16" - 2 9?16")

The West Advisor

The West Advisor articles have answered boaters' questions and provided solutions to boating problems for more than 20 years. West Marine has compiled one of the Web's most comprehensive collections of technical boating information articles.