Quick Splint. The latest design in preformed splints for small animal use, it is made of high impact ABS plastic and is scored for individual sizing. Radiolucent. Excellent replacement for Thomas Schroeder splints. Rear leg or tarsal splint is shaped to follow hock contour. Front leg splint extends up and beyond the shoulder and down below the carpus. All splints come in left and right leg sets. Available in three sizes: Small for Cats & Small Dogs, Medium for Medium Dogs and Large for Large Dogs.