Allen Standard Mainsheet Jammer

Name: Standard Mainsheet Jammer
Brand: Allen

Allen have spent many hours of research and development with various boat builders

to perfect the angle and height of the cleat to optimize mainsheet jamming.

A groove has been created in the arm for the location of the ball bearings;

this design prevents the lateral movement of the arm, significantly improving

the play and friction associated with traditional jammers of this format.

See diagram.

For use on:-

Sports boat, Keelboat, Etchell, SB3, Finn

Part	Description	Fixing Hole Size mm	Fixing Centre mm	Max Work Load Kg.	Weight gm
AL-5166	Standard height	M5	19.5 x 19.5	600	368
AL-5166-A	Standard height c/w AL-2160 ratchet block	M5	19.5 x 19.5	600	484
AL-5166-F	Standard height c/w AL-2160-F ratchet fiddle block	M5	19.5 x 19.5	600	504