Allen Blocks


60mm Dynamic Block


Other products by Allen

The 60mm dynamic block range was designed particularly for the sports boat market
it can be used in a variety of applications from jib sheet to mainsheet systems.
It has a large central hole for tie-on becket requirements and the high quality
design and engineering is noticeably in a league of its own.

Featured product: Quint Mainsheet System see more info below
Part numbers AL-2069 & AL2169
Photo of 60mm Dynamic Block Proboat Marine Equipment


Part Description Length
Line Dia.
Shackle Pin
Load Kg.
Max Dynamic
AL-2060 Plain 88 6 - 12 5 1000 500 80 Photo of AL-2060
AL-2062 Double 100 6 - 12 5 1250 600 195 Photo of AL-2062
AL-2063 Double with becket 136 6 - 12 5 1250 600 210 Photo of AL-2063
AL-2064 Triple 100 6 - 12 5 1250 600 310 Photo of AL-2064
AL-2065 Triple with becket 136 6 - 12 5 1250 600 225 Photo of AL-2065
AL-2066 Quad 100 6 - 12 5 1250 600 - Photo of AL-2066
AL-2067 Quad with becket 136 6 - 12 5 1250 600 440 Photo of AL-2067
AL-2069 Quint 100 6 - 12 5 1250 600 - Photo of AL-2069
more info.....

Quint Mainsheet System

 · Shackle Pin Diameter: 6 mm
 · Line Diameter: 5 - 12 mm
 · Sheave Diameter: 60 mm
 · Breaking Strain: 1,250 Kg
 · AL-2069 & AL-2169 combined

Combine the engineering quality of Allen Dynamic Ball Bearing blocks with 60mm sheaves and a 10:1 purchase and you have the ultimate mainsheet control system for fast catamarans. Developed on foiling cats such as Nacra 17 and A Class by Team Allen sailors used on race winning boats in National and European F18 events.

The lower block features a switchable ratchet block to reduce fatigue and a cam cleat and fairlead for accurate cleating and easing under load.
The system gives the performance catamaran sailors need.






    contact us

ISO 9001 logo ProBoat Ltd
Burnham Business Park,
Burnham - on - Crouch,

Phone - +44 1621 78 54 55
E mail - info@proboat.co.uk



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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 which are available on request at any time.