Built in Aluminum Support: Use the middle finger trigger splint for finger extension to reduces stiffness and preventing the finger joint with aluminum support. Effectively straighten and immobilize the full finger knuckles Adopt Quality Material: Use diving material and aluminum plate to fix, let the finger be fixed in one place and place the finger pain or secondary injury due to movement 2 Suits Package and Multiple Use: This finger trigger splint DIY kit is designed to be worn on any finger (index, middle, ring or pinky finger or thumb) on either hand with four different methods Fits Men and Women: The splint utilizes two shared short finger straps and a removable long palm strap, constructed with premium Hook&Loop allows the splint to be easily adjusted to guarantee a perfect fit DOACT Guarantee - Put your worries aside If you don't like it for any reason, you can just take advantage of our lifetime warranty. We will replace it or give your money back for any reason. Go ahead, you deserve the quality of this finger immobilizer