This item is used to hold or immobilize an injured thumb finger in the desired position and to prevent further irritation and injury from sports. It helps phalangeal joints in position without bulky dressing when you have a finger injured or when you want to encourage new nail growth.Feature- Color: Black.- Material: Aluminum alloy.- Size S: 21x14cm.- Size M: 22x16cm.- Size L: 24x18cm.- The finger splint is effectively to straighten and immobilize the full finger knuckles while protecting the finger and hand. for thumbe finger, broken or fractured finger, sprained knuckles, rheumatoid arthritis, tendonitis, post stroke finger curling, post-operative care and finger pain relief.- Hook and loop pasted wrist band for better fixing, breathable and practical.- Splint offers cushion for finger to weaken impact from outside and stiffness to reduce pain and discomfort.- Comfortable for all day wear.- Prevent and protect your fingers and joints from injury, sprain or strain.