Compatible with hinge and button style releases made by all brands including ULTRAVIEW, TRU Ball, Scott, Carter, Tru-Fire, B3, Spot Hogg, etc. 

• Comes with enough hardware to sink a ship, ensuring compatibility with your release. Comes with 8-32, 6-32 and 5-40 mounting bolts and 6-32, 5-40 nuts. 
• Use it as a thumb peg on your hinge or a thumb knob on your button.
• The most aggressive knurling you can achieve on a thumb peg - ensuring you get the grip you're looking for. 
• ULTRAVIEW's pioneered through-hole design of the peg allows the mounting bolt to be inserted through the whole peg, and into your release to provide a wide range of compatibility and added strength.
• We know you like colors, so we have taken the extra steps to ensure they look so good you just want to lick them.
• 100% Proudly Made in the USA.