Universal Fits Wrist Circumference 5.5 -10.5 * Perfect For Injured Sore Or Weak Thumbs As Well As Those With Arthritic Conditions Of The Thumb * Features Include: Universal Sized * Fits The Left Or Right Hand * Malleable Splint * Indications: Intended To Support The Thumb Without Restricting Hand Movement * Suggested Hcpcs Code: A4466