Aluminum Stan Onnex Custom Thumb Button Size:3/4" If you have any questions

If you have any questions feel free to ask

Release in Picture (Tru-fire Synapse  shown) is example of what your release could look like and is not included

3D printed 2" HHA housing

This Product is only guaranteed to fit the Scott Sigma

(8) Wood screws for mounting all included

Aluminum Stan Onnex Custom Thumb Button Size:3/4" If you have any questionsOutdoor Assassin is proud to offer another AMERICAN made product! These 3 4" round x 1" long Thumb Release Knobs Buttons are machined from high quality aluminum. These are a great way to increase accuracy while giving your release a personal touch. These just slide onto your stud on your release, and tighten down with a set screw. You will receive 1 Button Knob with your choice of diameter: 3 4',5 8", or 1 2"(3 4" is only available at this time).