Product Overview
The Modular Slim Line Double Action Ankle Joint is a versatile joint that can be configured in several different ways to provide: dorsiflexion assist, plantarflexion assist, a range-of-motion, or no motion. The recess has been squared off and the attachment holes have been tapped to allow the upights to be attached with screws. They are shipped complete with bushing, screw, ball bearings, springs (unless pins are specified) and hex screws.
(https://www.beckerorthopedic.com/Product/AnkleComponents/DoubleAction/SLM-2825)