• Outside diameter: 1-3/8"
• Center hole diameter: .35"

1) Don't assume that the year of you boat makes makes the year of your stove certain. Your stove could have been taken from inventory that was manufactured significantly before your boat was built.

2) Center hole is 9mm dia (0.350") "D" shaped with flat on the bottom when the valve is off. Compare to your stove and existing knobs in ensure a proper fit before ordering.