This drum rack has all the features you need:
Square top rails ensure that mounts won't spin or loosen once positioned
Made of black anodized aluminum
4 large-diameter legs provide complete stability
Folding storage with clamps in place.
This used model has some normal wear to the black finish but is in great structural condition. It comes with 5 PC-10 mounting brackets and has two BONUS cymbal boom arms with Uni-Lock gearless adjusters - an $80 value in themselves