Allen Brothers 20mm Single Ti3-On

Allen Brothers 20mm Single Ti3-On

20mm Single Ti3-On High Load Dynamic Block.

This block features a wider opening and flatter sides when compared to the older A2020Tii. This design results in an easier block to thread webbing strap and rope around. The block still fits in the same footprint as the older A2020Tii.

High load blocks feature a stainless-steel sheave. This upgrade offers even faster rolling speeds, higher working loads and lower friction when compared to the standard acetal sheave.

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

Ideal for use in higher loaded applications in dinghies, windsurfing, kitesurfing and anything else that runs smaller diameter lines.

Fitting Instructions – Tii-On blocks rely on the correct attachment method to give them maximum strength.

When attaching a Tii-on block you must feed the rope around the central axle and through the head of the block.

When possible, Tii-on blocks should be attached with a crossed/ through threaded line. This is very important, as it keeps the line load pulling the side cheeks together.

When using a Tii-Shackle, if possible cross the lines. Only use a non-crossed Tii-Shackle on low-load applications.

For further fitting advice please contact us.

Bearings – Dynamic Blocks feature our patented bearing system which uses twin rows of stainless-steel ball bearings running on a stainless-steel rail. This provides a superior load-carrying ability and longevity when compared to other bearing systems which run on a plastic rail.

Becket – Our 20 & 30mm blocks offer a large central rivet which not only reduces the overall weight but also offers a rope friendly attachment, perfect as a tie-off point when being used in a cascade system.

Technical Description