Product Overview
The Dorsiflexion Assist Flexible Ankle Joints are available in two sizes with a choice of three assistive durometers. The silver version provides approximately 1 lb. of assist while clear and gold deliver 2 and 3 lbs. respectively. Delivered in kit form with fabricating instructions, the joints may be utilized in matched sets or interchanged to achieve the proper dorsiflexion assist for your patient.
(https://www.beckerorthopedic.com/Product/AnkleComponents/ThermoplasticAnkleJoints/776)