I just tighten the nut to the bottom of the leg, never had a problem with them moving, and yea I'm like you no one to help. If you still want a locking type nut, just take your levelers to the hardware store and buy some locking nuts (the ones with the nylon in them, and they won't move on you. They use those type on cars, and they vibrate a whole lot more then your pin will, and plus they don't cost 10 bucks apiece.

To be fair it is a set of 4 for $10, not $10 per nut.

Not a bad idea if you can't get a good wrench grip on the small square above the foot.

If you were feeling cheap you could take a standard nut and do as Hammerhead mentioned, turn the nut hard into the bottom of the leveler to lock it in.

But before you turn the nut to the bottom put a little red lock-tite (permanent) on the threads of the leveler (not on the nut) before you tightened the nut down to the bottom of the leveler. It is sure to not come up after that.

I like the idea of a Nylock nut. But it would be a real bitch to have to turn a Nylock nut the whole way down a 2 or 3" leveler.

I would like to see someone make a bolt that has a hex in the top for an Allen key...

Honestly I have used a vice-grip on the top of the leveler to turn it on games with old levelers that don't move easily.

Yes, you will destroy the threads on the top 1/2" of the leveler, but so what?

If you ever decide to replace the levelers you just have to cut the leveler off on the bottom side so you won't run the damaged part of the threads on the leveler through the legs threaded hole. Takes less then a minute to saw off with a hacksaw.

The only real pain is that you can't even get a full 1/4 turn per wrench grip. I think that is the reason you don't see any type of adjustment that forces you to work in the upper part of the leg area, just no room to turn the tool.

The locking leg adjusters work great. The small square at the bottom of the standard leg adjuster is usually half covered by the foot and hard to get a wrench on but once these leg adjusters are installed they make it easy to slip a wrench on the large hex which makes the adjustment of the leg a snap.

You could also just drill a hole through the bolt and just stick a small screw driver into it and turn it that way...

You could grind the first couples of threads and make a flat to hold on the top of leg levellers...

Do a you tube for zip levelers, the guy doesn't make them anymore, but they are you answer, and you could do the modification yourself. I posters a link on another thread a while back, just search for zip levlee.

I do the jam nut method. Two nuts on the leveler below the leg, finger tighten the first to the bottom of the leg, run the second on up to the first one, then with a wrench on both jam the bottom to the top one...Yeah it's probably overkill, but it's cheap, doesn't damage the threads, and that leveler ain't goin' nowhere.

You could do the two nut jam method on the top of the leveler and make a poor man's "zip leveler". put a little red lock-tite on for good measure if you are a belt and suspenders kind of person.

No need buy anything. Also you would not have two nuts at the bottom of the leveler keeping you from getting the leg all the way up.

I know on my old Bally pins I had to take the nut off of the front levelers and screw the levelers all the way in and a 3" leveler all of the way out on the back legs to get 6 degrees in the playfield.