The ProMaster Rolling Studio Stand is strong and serious. This double riser stand achieves a maximum height of 10'. It uses powerful column locks for maximum load capacity. Folding square legs create an incredibly sturdy base. Locking wheels give make it a joy to use for rolling heavy lights and equipment around a studio and then keeping it in the proper place. And the flat black finish will avoid unwanted / unexpected glare and highlights during a shoot. This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects and/or other reproductive harm.