Replacement thumb screws for shark hamsticks

I want to replace the Allen screws on my Shark Hamsticks. I cannot find screws that work. Anyone know what size screws

Same here. Would think they would be easy to find. Should reach out to the supplier next. Let me know if you find any.

This is what I bought for mine. #10-32 x 1/2" Thumb Screw… #10-32 x 1/2" Thumb Screw Stainless Steel - Black Knurled Round Plastic Knob - Fine Thread Thumbscrew - Length: 0.500" - Proudly Built in USA - Package of (10): Amazon.com: Industrial & Scientific

This is the answer! Thank you, I went through many tries with no luck.