Product Overview
The Tamarack Variable Assist™ allows the practitioner to adjust the assist moments of the 742-L and 742-P joints to any value from zero to nearly three times what is possible with standard installation. All Tamarack Variable Assist kits include joints, molding dummies, Shearban® cosmetic patches, stainless steel mounting hardware, a check strap, and hex key.
(https://www.beckerorthopedic.com/Product/AnkleComponents/ThermoplasticAnkleJoints/743)