Harken Main Jammer Swivel Cam Base/150 Cam-Matic Shipping_Standard A range of styles lets

A range of styles lets these blocks adapt to almost all control line applications

Our most lightweight

club racing and general watersports

Harken Small Boat Furling: Halyard Swivel/Hole for 4 mm Wire

Open Length 165mm

Harken Main Jammer Swivel Cam Base/150 Cam-Matic Shipping_Standard A range of styles letsBall 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. The 144 is the standard configuration with a tall arm. It is ideal for mounting in the cockpit or for use on larger keelboats and small offshore boats that use 3. 00 in (76 mm) plastic blocks. Height 146mm Weight 369g Min Line 3mm Maximum line 12mm