HARKEN Bullseye Swivel Base with 365 Carbo-Cam, 241 Product Type_Fairleads Companions to the popular Harken

Companions to the popular Harken Black Magic block line

Keep a winch handle ready and near when you need it

Low-friction Bullet blocks lead control lines aft

Mast exit blocks with cams are used for halyard controls and under boom mainsheets

They are ideal for sailboards

HARKEN Bullseye Swivel Base with 365 Carbo-Cam, 241 Product Type_Fairleads Companions to the popular HarkenUse cam swivel bases when leads must rotate to face the trimmer. Ball bearing swivel bases feature dual rows of Delrin ball bearings that swivel freely even under high loads. Bases include stand up springs and a U Adaptor to accept a variety of appropriate blocks. Bullseye Swivel Base with 365 Carbo Cam are simple swivel bases for main and jib sheets on very small boats or for control lines on boats of all sizes.