Designed for large mainsails. self-captive bearings.
FB24.60 system is suitable for 50ft boats with an HS24 track and 60mm sliders.
FB24.90 system suitable for 60ft boats with an HS24 track and 90mm sliders.
FB24.120 system suitable for 70ft boats with an HS24 track and 120mm sliders.
All sliders are suitable for track FB24.