Rated 4.5 out of 5 stars.
Building or repairing an RC plane? These little linkage stoppers are super handy for connecting servo arms to push rods securely. You get 10 pieces in total—five with a 1.6mm hole and five with a 2.5mm hole, all with a 4mm body diameter. They're made from good-quality copper, which resists wear, corrosion, and vibration, so they hold up well over time.
Each stopper comes with an M2 hexagonal nut and an M3 screw, so you have everything you need to attach them. They're small (about 11.2mm long) but tough, and they let you fine-tune the length of your push rods easily. Just loosen the screw, adjust the rod, and tighten back down—no slop, no play. That means crisper control response for your rudder, elevator, or ailerons.
They're not just for planes, either. You can use them on RC helicopters, cars, boats, or any servo-controlled model where you need a reliable mechanical link. The gold color looks clean on builds, and the copper material is easy to work with.
Assembly is straightforward, but keep in mind the nuts and screws are tiny. A pair of small pliers or tweezers helps if your fingers aren't so nimble. Once installed, they stay put even during high-vibration flights. For the price, this 10-pack gives you plenty of spares for multiple models or future repairs. A must-have in any RC builder's toolkit.