High-quality Wire-Foam construction for a customized fit. Produces flexion of the PIP or DIP joints. Finger pad is free allowing for function. Capable of bending supple joint to approximately 80°/ May be worn on adjacent fingers. Tension adjustable by careful bending - lighter than model #503.Quantity: 1Size: X-Small, Small, Medium, Large, or X-LargeMaterial: High-quality Wire-Foam™Manufacturer: DeRoyalIndications: Crush injuries; Swan neck deformity.Options;X-Small (601AA) GTIN: 00749756127257Small (601A) GTIN: 00749756127240Medium (601B) GTIN: 00749756127264Large (601C) GTIN: 00749756127271X-Large (601D) GTIN: 00749756127288Sizing Guide:Measure the distance on the dorsal surface as indicated aboveX-Small: 1 1/4inSmall: 1 1/2inMedium: 1 3/4inLarge: 2 1/4inX-Large: 2 3/4in