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Dual Arm Mainsheet Jammer

 

Allen Dual Arm Mainsheet Jammer

 

Dual arm mainsheet jammer.

Allen have spent many hours of research and development with various boat builders to perfect the angle and height of the cleat to optimise mainsheet jamming.

  • Fitted with aluminium ball bearing cleats AL-0076 & AL-0077
  • Innovative light weight construction.
  • Dual ball race for maximum efficiency.
  • Optional click stops limit swivel rotation.
  • Line snags virtually eliminated.
  • Standard and high cleating angles to suit all.
  • c/w standup spring, spring guard & low profile shackle
A groove had 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:-
Etchells, Fireballs, sportsboats, SB3, Finn

 

Part Description Max Line Ø
mm
Fix hole
size mm
Fixing
Centre mm
Max Work
Load
Kg
Weight
gm
RRP
Inc VAT
Unit
AL-5166-DUAL Dual arm with lower cleat 10 M5 19.5 x 19.5 600 513 £357.82 EACH
AL-5166-DUAL-A Dual arm with lower cleat & AL-2160 ratchet block 10 M5 19.5 x 19.5 600 620 £462.50 EACH

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contact us

Proboat Ltd
Burnham Business Park,
Burnham - on - Crouch,
Essex,
CM0 8TE, UK

Phone - +44 (0)1621-785455
E mail - info@proboat.co.uk

 

disclaimer

Although great care is taken to ensure the information in this website is accurate, all information is given for guidance only and is not contractual.
We reserve the right to alter specifications without notice. The purchaser is responsible for choosing the correct product for it's particular application.
All goods are supplied according to our conditions of sale.