Millennium's new M150 Monster. Designed with everything you could want in a lightweight, portable lock-on stand, the M150 Monster is ideal for the hunter on the move. Similar to the M100, the M150 Monster features V-Brace Technology to minimize weight without compromising strength and stability. But, unlike its predecessor, the M150 Monster is designed with an adjustable seat height of 17 - 20 and 15 degrees of lean for tree-angle adjustment. The M150 Monster boasts a capacity of 300 lbs, weighs 19.5 lbs and has a large and roomy platform measuring 37 x 24.