Hey DIY and RC enthusiasts! These aluminum motor mounts are seriously handy for all kinds of projects. You get 3 pieces total with two different sizes - the large one adjusts from 50-110mm height and fits motors like 2814, 3536, 4250 with 25-30mm hole spacing. The smaller one goes from 35-72mm and works with 2212, 2216, 2217 motors having 16-19mm mounting holes. The aluminum alloy construction is lightweight but super sturdy - no wobbling or bending even with heavier motors. Installation is straightforward and the adjustable height means you can fine-tune your setup perfectly. I've used these for drone builds, small engine projects, and even some workshop tools - they're incredibly versatile. The black finish looks professional and the machining quality is solid with clean threads and smooth adjustments. Whether you're building RC aircraft, working on small engines, or need stable motor mounting for any project, these stands deliver reliable performance. The removable design makes storage easy and they're portable enough to take to flying fields or workshops. Seriously, if you work with motors regularly, having a set of these proper mounting stands makes everything so much easier and more professional looking. The value is great too - much cheaper than buying individual mounts for different projects. Definitely a must-have for any serious builder's toolkit!