Universal size: Our finger support design can be worn on Thumb, Index finger, Middle, Ring Finger or pinky. Fasteners allow the splint to be easily adjusted for the perfect fit accommodating finger widths up to 2. . Trigger Finger Relief: Finger brace has great effect in supporting the finger to reduce stiffness. It provides effective relief from Curved, Bent, Locked and Mallet Finger or trigger finger. Splint supports the finger to reduce stiffness and to prevent the finger joint from locking up or catching. . Built In Aluminum Support: Knuckle splint can provide superior support for stiff fingers and fix the finger effectively to prevent the finger joint from bending to promote healing as well as reduce pain and discomfort. Aluminum brace is easy to put on and take off. . Comfortable Material: Made of the great neoprene, covered with stretch nylon and cotton to cushion the skin for your best comfort. The breathable material made finger all day comfort wearing. . ALL DAY USE: Whether you are playing sports, working machinery, or simply typing and email our finger splint offers complete protection for trigger finger, mallet finger, a broken finger, a fractured finger, rheumatoid arthritis, post stroke finger curling, ligament tears, sprained knuckles, post-operative care, knuckle immobilization, finger pain relief, sprained finger or joint, ligament tears, post-surgery care, soft tissue injury, tendinitis, and carpal tunnel. .