ASA and PSIA Instructor
Join Date: Apr 2000
Thanked 37 Times in 37 Posts
Rep Power: 18
Alu toerails on most (all?) boats are, should be, pretty tuff. On many boats they are the default location for genoa and spinnaker blocks so you can expect them to carry hundreds to thousands of pounds of pressure, depending on boat size. Dock lines should be no problem at all.
Certified...in several regards...