Product Overview
This splint is designed to apply dynamic flexion force on the fingers. The unique pulley design allows maximum flexion of all finger joints. An extension component may be added to allow a combination of flexion and extension exercises. A glove is provided with the splint. For sizing, measure the distance between the outer part of the second and fifth MCP joint (Distance A). Please see additional product images for details.
(https://www.beckerorthopedic.com/Product/PrefabricatedOrthoses/UpperLimb/UM-4.0)