Ronstan Track - Series 19 - Luff Groove Profile ronstan orbit blocks - series 60 - double universal head Measures 257mm overall with 38mm

Measures 257mm overall with 38mm bolt centres

Used as a Distress signal

This is the preferred mainsheet set-up for many top sailors

Length 90mm

RWB6330 - Diamond white - P12 bronze multi voltage 12v & 24v

Ronstan Track - Series 19 - Luff Groove Profile ronstan orbit blocks - series 60 - double universal head Measures 257mm overall with 38mmPatented system uses low profile cars running on twin races of acetal ball bearings. Cars use the existing luff groove of the mast (no track or installation work required). Ball bearings are captive for easy loading and unloading of cars from mast. They can be easily switched between fully battened and soft luff mainsails. Minimum distance from mast to mainsail luff enhances mainsail efficiency. With a complete range of car profiles and feet there is