The KUPO 210cm stackable light stand is compact and able to click together with intelligent mechanism interlocking allows you to attach to another click stand in one motion. The unique 4-way interlocking system allows you to fasten stands together easily, for compact storage and transportation. Lightweight and compact, these stands are perfect for shooting outdoors or to move easily around in a small studio. The built-in air damper prevents damage to your lights by cushioning the column on release.