3-Pack: One Size Fits 4 Fingers and Thumbs: The universal trigger finger splint is designed to fit on any finger, index finger, middle finger, ring or little finger. Fasteners allow the splint to be easily adjusted for a perfect fit for finger widths up to 3 inches. Effective Trigger Finger Relief: Effective for stenosing tenosynovitis or trigger finger relief. Splints support fingers to reduce stiffness and prevent finger joints from locking or jamming. BUILT-IN ALUMINUM SUPPORT: A lightweight aluminum stand integrated into a breathable neoprene wrap provides excellent support for stiff fingers. Rigid aluminum braces prevent tendon jamming and joint flexion to promote healing and reduce pain and discomfort.