We bought this to be able to mount par cans onto our speaker stands to save space at smaller gigs. Does this job for us perfectly. If I was being critical it would be good if they were black to blend in but that's a minor problem.
Plenty of adjustment for different positioning and can be tightened up to take a fair bit of weight too.
I needed a relatively large number of small clamps, to fit onto 25mm steel box section. These were perfect as they're not too expensive, and are just the right size to fit. The small metal plate that prevents the bolt from damaging the truss is attached by a small screw, and on several of mine these have come undone over time, meaning the plates have fallen off. Other than that, they're great.
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