Wrist Brace How Do I Calculate My Hand Size For A Wrist Brace?

How do I calculate my hand size for a wrist brace? - wrist brace

I have the first symptoms of carpal tunnel syndrome and I was looking on ebay for equipment to reduce the pain in the wrist, but I have no idea what size to choose, and I do not know how to calculate the size of my hand purchase, so I can Choose the size of the right wrist splint for me. Can someone help me?