Allen 20mm Dynamic Ball Bearing Blocks


20mm Double Cheek Block


Allen 20mm Double Cheek Block


20mm Double cheek block.

The Allen 20mm dynamic ball bearing block is simply the best designed and engineered micro block on the market.

This block features the same dynamic bearing technology you will find in the rest of the 20mm dynamic block range; two rows of 316 stainless steel ball bearings located around a central axle. It also has two fixing holes and an inter-locking middle cheek face to ensure that there is no movement once fixed to the deck and put under load.
  • Line friendly soft contours and articulation,
  • Stainless steel cheeks and inner bearing systems handle maximum loads,
  • Central hole for tie-on becket.


Part Description Length
Max Line
Dia mm
Fixing Hole
Ø mm
Load kg
MDL Weight
AL-2126-M Double composite check block 33 6 4 540 115 23 £37.80 EACH






    contact us

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

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



Our communications keep you informed about our new products, offers and events.
Click here and we will include you in our e-mailings, we do not divulge your address to third parties.

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.