Here you go: https://www.amazon.com/dp/B08RBTQ62B

Edit: If you order other ones, make sure it's the 11mm version!

Not OP but I ordered these for my Secretlabs chair https://www.amazon.com/dp/B08RBTQ62B

Not in stock ATM, but you can see similar ones on that page. The 'roller blade' like wheels are great. FYI, I'm now only typically locking 2 of the wheels (one on each side) to keep me in place, so you probably don't need all 5 wheels to lock. I think there are some cheaper sets that only have 2 or 3 locking wheels. You also probably want ones that lock both the wheel rotation and swivel like these, that way you shouldn't have any movement when locked. Locked wheels by themselves could potentially still swivel.