Lewmar Size 1 traveler systems are popular on racing and cruising yachts. They provide enough load capacity and mechanical advantage
to operate on boats up to 38' (11.5m) with an end-boom mainsheet. For mid-boom mainsheet arrangements (or on multihulls) only use Size 1 travelers on
boats up to 34' (10.3m). Lewmar NTR traveler cars are compatible with Lewmar Ocean Track. Lewmar Size 1 drilled track is 23mm wide and
size 1 beam track is 30mm wide.