If you are looking to replace your janky cap nuts with the old style, Bel-Metric (I love that place) has nice ones which I installed tonight.
https://www.belmetric.com/stainless...-p-5801.html?zenid=9nqfldc0e6e4v013p6e40qir70
https://www.belmetric.com/stainless...-p-5801.html?zenid=9nqfldc0e6e4v013p6e40qir70