Use any (Name Brand Pin) just make sure that it is Long enough for the newer class V 2-1/2 size they are using on TVs now! There will be NO slop in your hitch with the W/D bars properly set! Remove after use if noise is a issue. If you have a little ball mount that makes (Rattling Noise) and you use any method to control it use Plenty of (Never Seize) if you live in the (Salt Use States)! There are plenty of U tube Vids where people have removed the PIN by (Cutting/heating/beating) then chain the Ball to a Tree and try to (Pull/Jerk) the Ball Mount out of the hitches!