I do not know how much they are strong, in terms of the fact that the screws are tightened nicely, and sometimes you can't take a large screwdriver, but yes, not the essence, in general it is made with high quality, processing after the mold is also at the level, no burr, it is convenient in the fingers) ordered 2 pcs, The shipment was for some reason different and different track numbers, but it came all in one package! I liked it, a little light beret, sometimes such are very necessary when a big one does not fit into a hard-to-reach place!)