Took a guess on the size and lucked out. Have enough for the future.
Pre-drill each leg with a 1/8 bit, then screw them on. It takes the longest to apply due to pre-drilling required, but worth the effort. Drill a pilot hole then screw in.
Unless you tap it perfect every time (big or small taps) they bend and are useless. Attempted to replace similar product with previous nail holes and still terrible. Scratches your floor when the felt wears off--which happens pretty quickly.
Mostly unreliable reviews. Do more research before proceeding
Reliable reviews you can trust