This Adjustable Thumb MCP Splint Ring with Bracelet and Palmar Support helps to block hyperextension of the MCP joint, it comes with a bracelet that gives it support to keep the thumb in its place.Material:925 Sterling Silver -Use on thumbs that hyperextend at the MCP-Use if you have at least 25 degrees of MCP flexionThis splints comes with Palmar Support, if you need the splint without it, please specify it in NOTES before checkout.Our goal is to help you feel some comfort while wearing a beautiful piece made with love. We make jewelry with soul, at affordable prices, we want our pieces to help you in any way they can, and of course, that you love the way they look on you.If you need a splint ring style that's not available in our shop, please convo us or request a custom order, we'll be happy to work with you creating your perfect ring. We'll work with you for a perfect fit that'll bring you much desired relief, if the size that you get is not the right one, we'll take it back and resize it. Our goal is your comfort and that you are happy with your purchase._______________________________________IMPORTANT PLEASE READWE USE REGULAR US RING SIZE and measurements to make our splints, taken with regular sizers or soft measuring tapes, not special splint sizers. You can also send us your measurements and we'll happily convert them to US RING SIZE for you.How to measure your finger?:• SIZING •For this Splint we’ll need:1- The ring size of your thumb 2- Your measurement for the lower hoop of this MCP Splint, we ask that this measurement is given in CM or MM.3- Your wrist measurement4- Please specify is the splint is for your left or right thumb To measure your ring size you can use a Ring Sizer, if you don't have one you can use a soft flexible tape, please measure your finger and where the lower hoop of the Splint should sit, just wrap the tape comfortably around your finger and measure it (you can send us the size of your joint too). If you don't have a measuring tape in hand, it's ok :), just wrap a thin piece of paper above and bellow the joint, mark the paper, then measure the mark with a ruler.This video explains it better:youtu.be/2UmqVefGT64Have in mind that it has to be a piece of paper at least 1/4'', if is too small then the size you give us won't be accurate. • IMPORTANT •If you measured your finger with a MEASURING TAPE and have your size in MM or CM please type it down in the NOTES TO SELLER box before checkout, and select any size in the drop down OPTIONS.Don't worry, if you have any questions just send us a message! we'll be happy to reply and answer all your questions._______________________________________Made with:-925 Sterling Silver• Measurements •-Band Width: 3mm-Band Thickness: 1.5 mmThis Splint comes with a stabilization bracelet, the standard length of the chain is 15 centimetres, and it comes with 3 extra centimetres of adjustable rings, for comfort and to adjust to changes.