Plastic Mallet Finger Splint is a dynamic finger splint designed to support the DIP joint in neutral position.;Designed to help reduce rehabilitation time, this works to help correct mallet deformity while protecting the distal phalanx and extending the PIP joint.;Features a perforated design to prevent skin maceration.;The DIP joint also known as the Distal Interphalangeal Joint is the end finger joint on the tip of each finger.;Available in 5 sizes. Take the measurement from the DIP joint. The DIP joint also known as the Proximal Interphalangeal Joint is the end finger joint from the tip of each finger. X Small = Circumference at DIP Joint 4.5-5cm; Small = 5-5.5cm; Medium = 6-6.5cm; Large = 7-7.5cm; Extra Large = 8-8.5cm.Health and Care