The Kupo Steel Baby Boom will support up to 11 lbs (5 Kg), extend to 7.8′ (2.4m) and mount in any grip head with its built-in “ear”. Equipped with a tale-end hook for adding sandbags as counter-weights. Chrome-plated steel finish. 1 Riser, 2 Sections. Mount Type: 5/8” (16mm) Stud.