Ronstan Track - Series 55 - Luff Groove Track 3025mm, Undrilled ronstan series 45 core block - stand-up swivelling Designed with a rugged nylon

Designed with a rugged nylon top and a polymide bowl

• Precision machining from work-hardened

Neck accepts 51mm & 58mm filler hose

- Mounting screws included for easy installation

4 bolt round (3" outlet) Big Block

Ronstan Track - Series 55 - Luff Groove Track 3025mm, Undrilled ronstan series 45 core block - stand-up swivelling Designed with a rugged nylonConvenient track mounting slugs are available for fitting standard profile track to the luff groove of existing masts. Patented 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