Boom light stand

1)light stand max.height 4m,loading capacity:6kgs
2)light stand max.height 1.9m,loading capacity:6kgs
3)boom stand, max.boom length 1.9m,loading capacity:1.5kg
4)counter weight:2kgs
5)folded length 1.2m
6)no.2 and no.3 can use at the same time
7)max.tube diam.33mm