gravity sp 4722 bwind up speaker stand crank operation for easy speaker raising and loweringvariable height from 1.5 m to 2.4 m50 kg maximum loadcast aluminium leg collar for longevity folding tripod legs for easy portability  product typestands and tripodstypespeaker standstubing materialsteeltubing colourblacktubing surfacepowder coatedmin. height1500 mmmax. height2400 mmjoint materialmetaltubing diameter35 mmmax. load50 kginterchangeable rings2 x 20 mmblack ring pack includedyesweight9.31 kg