Freedom Rigid Thumb Spica Splint - Adjustable Wrist Support Brace for Thumb Arthritis, Tendonitis & Carpal Tunnel Relief - Perfect for Typing, Gaming & Sports Recovery

• Immobilizes the CMC and MP joints of the thumb. The splint supports like a cast because of its rigidity.
• The splint supports like a cast because of its rigidity
• Effective for treatment of de quervain's syndrome, extensor tenosynovitis, rheumatoid arthritis, and scaphoid fractures

To determine size. measure the width at the MP joints.