Allen Compact Mainsheet Jammer Base with Ratchet Shipping_Standard and other watersports in colder

and other watersports in colder temperatures

The 144 is the standard configuration with a tall arm

or comfort

and reduced chafing

This was fitted by a sailmaker

Allen Compact Mainsheet Jammer Base with Ratchet Shipping_Standard and other watersports in colderAllen have spent many hours of research and development with various boatbuilders to perfect the angle and height of the cleat to optimize mainsheet jamming. 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