All Catalina sailboats have used 1" diameter tubing as standard equipment. But if there is any question, measure yours before ordering. We have encountered boats where a previous owner installed a stern pulpit or stanchion that was smaller 7/8" diameter tubing.

• Height: 1-1/2"
• Tubing diameter: 1"
• Fasteners: 3/16"
• Diameter of free hole for connections: 1/2"