Allen Compact Mainsheet Jammer Base Sale_20plus Also available as de-raker kits

Also available as de-raker kits with pressed calibration marks

This design results in a simpler block to thread rope around

Quick-drying

firmly push the Aerovane onto the rod until you hear a click

These features provide a superior load-carrying ability and longevity when compared to other bearing systems

Allen Compact Mainsheet Jammer Base Sale_20plus Also available as de-raker kitsA5166 Compact Arm Mainsheet Jammer base only Ratchet not included Standard height aluminium arm Designed for use on both dinghies and keelboats which require a central jammer that takes up less space and has a lower cleat. Featuring our cold forged bearing system which has a ball locating groove for smooth rotation, whilst preventing the lateral movement of the arm. The arm can be set to rotate at 180, 220 or 360 degrees by adjusting the stopper pins