There is currently only one counterbalance on the market that fits the Osmo Mobile 3. I've visited several stores (Lowe's & Home Depot) to buy some bolts and use M3 screws to attach to other counterweights (Moment, Eachshot, etc.) and NONE has been as good as this one. The threads on this are not (yet) stiff or rusting. I can use all my Moment lenses with my iPhone XR without any problems. The case is a little thick so the Osmo Mobile 3 doesn't hold the phone tight enough, but when new casesโฆ