Martin Ambiente Alumimun A-Frame Easel is lightweight but very sturdy with Fully adjustable back legs. Back legs extends out to better support large heavier canvas. Holds up to 39" canvas vertical. For Home Studio or Studio use. Smooth action and easy adjustment for setup and canvas. Easy to grab screws for adjustment. Folds for storage and transport. 23.5"w x 51" d x 55-84"high. Foot pads for betterfloor stability. Combined use of rivets and screws for added strength.