Daylite Wooden thumb rings_Male & Female Size:19mm Male thumb ring comes with

Male thumb ring comes with Wedge which can adjust tightness

The String Server has a steel body and uses a double-bar tension system

Self-centering washers contribute to even tension while serving

if you don't know exact your size

Birch wood wrap finish (Not real wood)

Daylite Wooden thumb rings_Male & Female Size:19mm Male thumb ring comes withDaylite archery Wooden thumb rings (Male & Female) Daylite wooden thumb rings were made of Lignum vitae which is the one of most strong and rigid wood in the world. no deformans and nature friendly material. Safe & Secure design of Male ring There is a groove that allows the thumb to move more freely. This enables the bowstring to be wrapped more deeply while minimizing movement to ensure safety Male thumb ring Female thumb ring Male thumb ring comes