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You are here: Dinghy Ropes & Rigging > Cleats > Jib and Mainsheet Swivel Bases > Harken Swivel Mainsheet Cam Base

Harken Swivel Mainsheet Cam Base

TypeHeightWeightMax Line DiaPart No Normal Price Online Price  
Standard146 mm0.36 kg3 - 12 mm144£140.30£126.27
Low Profile114 mm0.34 kg3 - 12 mm205£126.90£114.21
Duocam146 mm0.46 kg-216£323.30£290.97


The Harken Low Profile Swivel Mainsheet Cam Base is used when sheet leads must rotate to face the trimmer. Available in standard, low-profile and duocam models. Ball bearing swivel bases featuredual rows of Delrn ball bearings that swivel freely under high loads.

Bases include stand-up springs and 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. The low-profile 205 is used when installation is at deck level and when smaller blocks are used.

The 216 Duocam features a second cleat for lines led vertically through the base of the swivel. It is frequently used to combine vang or backstay controls in the same swivel base that handles the mainsheet.

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