BLOCK SERIES 40 DOUBLE Perimeter Protect your mast lights from

Protect your mast lights from sails and birds

(30 ml) for every 32 gallons (120 L) of fuel

A Harken Battcar system along with full-length battens helps raise

7 mm) diameter that shrinks to 5/32 in (4 mm)

Lewmar 185 Anode Zinc Kit

BLOCK SERIES 40 DOUBLE Perimeter Protect your mast lights fromSheaves running on Acetal or Torlon ball bearings provide high performance & low friction. The 2 stage ball bearing system provides consistent performance over the full load range. Features Low friction Acetal or Torlon bearing system Lightweight Cheek cut outs for easy bearing maintenance Features a swivel shackle head for full 360 rotation