Xbox One compatible - Intended use for SCUF Infinity1</br>Improve precision and accuracy</br>Military grade for comfort & durability</br>Legnth and shape caters to different hand sizes</br>Thumbstick kits are available in domed or concave styles. Colors: Black, White, Green, Blue, and Red.</br></br>Product Description</br></br>Each kit includes: (1) Regular Concave Thumbstick, (1) Medium Concave Thumbstick, (1) LongConcave Thumbstick</br><br/>http://www.amazon.com/gp/product/B015YATM8Q