A sailboat or sailing boat is a boat propelled partly or entirely by sails and is smaller than a sailing ship. Distinctions in what constitutes a sailing boat and ship vary by region and maritime culture.
I bought four stainless steel turnbuckles to replace the vernier adjusters on the shrouds of my sailboat.
The cotter pin diameter is 1/4" - the same as what I am replacing. I was told that that is the metric by which one judges the capability of a turnbuckle.
They have a 1 1/2" long thread on...