Size Guide of Finger Brace - Trigger finger finger splints are available in two sizes. Please measure the distance from your fingertip to your middle finger and wrist, then choose the right size.M: Suitable for distances between 5.9-6.7 inches (15-17 cm); L: Suitable for distances between 6.7-7.5 inches (17-19 cm); Suitable for either left or right hand, for both men and women. Lightweight Comfort Blend - The trigger finger splint provides full hand and wrist support and is made from a comfortable and breathable neoprene material with a stretch nylon and cotton fabric exterior and a built-in aluminium plate that fits snugly against the skin to provide full finger support and comfort. Interated Aluminum Support - The splint features an integrated aluminium support designed to provide excellent support. The long, 6.25” aluminum brace immobilizes the affected finger joint to prevent tendons from catching and the joint from bending to promote healing and reduce pain and discomfort. 4 In 1 Finger Splint - This metacarpal splint can effectively straightens and immobilizes the entire knuckle. One splint with four different ways of attaching the finger: Index finger, middle finger, ring finger, pinky finger. Except for the immobilized finger, other fingers can move normally. This pinky splint brace provides comfortable support throughout the day. Effective Trigger Finger Relief - The finger splint ideal for broken fingers, trigger fingers, arthritis, tendonitis, metacarpal fractures, sprains and strains, finger fractures, knuckle sprains, post-operative care and finger pain relief, this finger splint reduces inflammation and joint swelling.