Allen Brothers A 20mm Multi Function Dynamic Block

The multi function block has a slightly different strap compared to the A2020.

The A2021 multi function block is the base block used in the following variations: A2021F, A2021HK, A2021SC and all double and triple variations.

The multi function head is designed to attach our swivel, fork and cheek adaptors to. It is also used for riveting to the double and triple ultra-straps.

• Line friendly soft contours and articulation
• Stainless steel cheeks and inner bearing systems handle maximum loads
• Central hole for tie-on becket