The Thumb Splint is designed to provide firm support for the thumb. With a flexible spiral rod that limits thumb movement. Used for thumb strain, sprain, fracture and inflammation, Trigger Thumb, Bowlers Thumb and Tenosynovitis. Recommended for use after cast removal or tendon, muscle, ligament injuries. Helps reducing thumb pain as a result of exhaustion, sprain, fracture or inflammation, swelling alleviation in the thumb area. Fits right or left hand.