vertical

All stanchion bases I've seen are for mounting on horizontal surfaces. I'd like to get some for a vertical surface so we can install a pushpit on the transom as a diver boarding handhold. Do they exist ? Thanks. -Sven

As I was replacing my spreader boots on our E-27 with Wheel, I notices a small crack in the mast on the aft edge of the mounting plate for the spreader. It looks as if it an inch an quarter long running vertical. What is the fix for this problem? Do you first pre-drill a small hole at each...