• Size A : 40mm Pin
• Size B : 70mm Pin

The Lincmaster Eyelok prevents unauthorised towing of trailers and machinery by blocking the trailer towing eye. Size B has a longer 70mm pin which provides enough space to attach a chain (not supplied) to anchor the trailer and prevent theft by lifting or dragging. The Lincmaster Eyelok has a 10 pin barrel lock with drill and pick protection. Supplied with 3 keys with restricted duplication.