Use these 2" and 3" diameter ABS rings to trim holes made through a bulkhead for running wires or hoses. The rings finish the edges on both sides to prevent chafing and are sold in mating pairs that telescope to fit a bulkhead up to 2" thick.
- Diameter is cutout measurement.
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.