Harken Swivel Base with H412 Double Cam-Matic
When you want to build a two-speed mainsheet system and have the leads rotate under high loads toward the trimmer, combine Harken's Double Cam Base Swivel with Harken's Double Ratchet Block. It also accepts 2 in (57mm) and 3 in (75mm) blocks. Its ball bearing swivel base features dual rows of Delrin ball bearings and a stand-up spring. The Cam-Matic accepts a minimum line diameter of 5/16 in (8mm) and a maximum line diameter of 3/8 in (10mm).
|Hole Spacing (in)||3/4|
|Hole Spacing (mm)||19|
|Max Line Size (in)||3/8|
|Max Line Size (mm)||10|