Thought these would come in pre-built, unfortunately, they weren’t, haven’t built them yet.

The platform portion had holes for two bolts on each portion unless I missed something, the way it was designed I couldn’t get the top bolt in to save my life. There wasn’t enough space to put the nut on it even if I got it in. None of the less it has worked just fine with one bolt.

Very light weight but sturdy. Wife uses the stands almost every day during workouts.

Gym accessory and works well for jumps.

I purchased this product for my teenage son. He is a basketball player and he wants to improve his vertical jump. He is very happy with the product.

Me encanto el producto , lleno mis espectativa y es resistente ya que tengo mucho peso , gracias por su entrega a tiempo tambiénAttte.: GD

Great box set

Good quality and value, but need 2 wrenches to assemble. Only one “wrenchette” is included.

I bought this set for my jumping exercises. The product seems to have some minor packing issues: the parts were not tied very well in place in the shipping box and the shipping box opened a small hole. Also, one of the jumping boxes twisted a little bit. But this was no big deal, I solved it easily with a rubber hammer.After I finally assembled the set; they looked very good. So far I only used two boxes; I felt they both very stable and held my landing momentum very well. All in all this is a very good product set and serves my need very well. If you don't worry about the possible packing issue, go for it!One caution: the boxes slip a little bit on my vinyl floor. After I put a rubber pad underneath the boxes, no slips any more.

Was missing a piece upon delivery but they were quick to send out a replacement.