Diameter: 1/4"
Grip: 1-7/8"

Used in the forward hole of the pair it was originally intended that the spinnaker halyard block hang from it. In reality there was never enough room for a spinnaker halyard block to fit without hitting the forestay. Today we use this pin as one of three that secures our Masthead Spinnaker Crane to the masthead truck casting.

(2) per Catalina 22 masthead casting.