20 Pack of E-Track O-Rings, 2" E-Track Rings for Enclosed Trailers

Lot of 20 brand new commercial grade E-Fittings with 2" O-Ring and locking spring E or A Fitting. Fits easily into E track or A Track logistic systems. Each e-track o-ring has a 4,000 LBS. breaking strength. Locks into place for secure transport, can only be removed by pressing on the spring locking mechanism. Each ring is zinc plated to prevent rust and corrosion so that these can be used on flatbed trailers as well as enclosed trailers.