SKU: 18644807958

Allen A2020XHL 20mm Extreme High Load Block

Sale price$148.94 Regular price$165.49
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Ships within 48 hours · Estimated delivery Jul 19 - Jul 24

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Description

Allen A2020XHL 20mm Extreme High Load Block20mm Sheave Single Extreme High Load Block A2020XHL XHL blocks have been designed to deal with extremely high static loads without compromising on low load dynamic performance. Ideal for use in kicker cascades or halyard turning points where static loads can be extremely high but low load fast rolling speeds are required. XHL Bearings Twin rows of stainless steel ball bearings running on a stainless steel axle with the addition of a protective plain

20mm Sheave Single Extreme High Load Block A2020XHL

XHL blocks have been designed to deal with extremely high static loads without compromising on low load dynamic performance. 

Ideal for use in kicker cascades or halyard turning points where static loads can be extremely high but low load fast rolling speeds are required.

XHL Bearings – Twin rows of stainless-steel ball bearings running on a stainless-steel axle with the addition of a protective plain bearing washer.

A key feature within the XHL bearing system is the precision plain bearing washer. When the XHL is exposed to extreme static loads (which would normally cause damage to the internal bearing system) it changes to a plain bearing block. This stops the ball bearings from getting damaged and thus no longer performing as designed. As soon as the static load is reduced the XHL returns to a high-performing dynamic block.

Body – The aluminium body features “ears” at the top of the block. These are to be used when attaching the block and stop the block from capsizing when under load.

Sheave – The stainless-steel sheave allows the block to be paired with both rope and wire.

This 20mm range which has been incredibly popular with the ILCA/Laser sailors for secondary line in the kicker.

Features

  • CNC machined aluminium side cheeks.
  • Precision turned stainless-steel sheave.
  • XHL Bearing Technology.

The Allen Engineering drawing for the A2020XHL block can be found HERE

Block Properties

Breaking Load 900 Kg.
Overall Length 29 mm
Max. Line 6 mm
Working Load 400 Kg.
Weight 17 g.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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  • Delivery to the USA:
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  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 18644807958

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4.0 ★★★★★
Based on 11 reviews
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Verified Purchase
L Shavonne
Lake Worth, US
★★★★★ 5
The magnet does not stick to the refrigerator as advertised.. UPDATE ( I love it and it does stick)
Color: Pink
Although it is a nice case, it seems sturdy and it is very beautiful, my main reason for purchasewas I loved the fact that it sticked to the refrigerator. I was very disappointed to see that it does not. It’s too heavy, and it immediately begins to slide. That is the reason why I could not give it more than three stars. It disappointed me enough to where I’m really considering returning the item. UPDATE: I found out how to make a stick to the refrigerator and I absolutely love it! I changed my review and my stars! I’m really happy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026
S
Verified Purchase
Steve Chavez
Dallas, US
★★★★★ 4
Great Protection, Great Fit — One Small Flaw
Color: Forest Green
I really love this case. It protects the iPad well, fits perfectly, and is still easy to put on and take off. The pencil holder is especially nice — it keeps the Pencil secure without feeling loose or flimsy. My only complaint is that some USB‑A to USB‑C adapters don’t have enough clearance to plug in. The edge of the case blocks certain adapters from seating properly. It’s the only issue I’ve run into, but it’s worth mentioning if you rely on chunkier adapters. Aside from that, this is an excellent case and one I’m happy to use every day.
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Reviewed in the United States on April 9, 2026
R
Verified Purchase
Rosemary Raines
Louisville, US
★★★★★ 5
Ipad case
Color: Black
It is very well made! Sturdy and easy to use. Has a great stand to watch videos and such. Perfect fit for my IPad. Easy to install.
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Reviewed in the United States on May 3, 2026
J
Verified Purchase
janismarla
Whiting, US
★★★★★ 5
FANTASTIC IPAD CASE
Color: Banana
This case is so sturdy and stays in place. The color is bright and vibrant and very easy to clean. Highly recommend!
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Reviewed in the United States on May 28, 2026
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Verified Purchase
Renee G. McGee
Houston, US
★★★★★ 5
Fits perfect
Color: Black
Love this cover! It really does adhere to the fridge like the ad says. It shipped fast too. Love the stand on it too.
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Reviewed in the United States on May 29, 2026

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