This is very solid, sturdy, basic studio easel. The canvas holder height is adjusted by a simple ratchet control. The canvas is locked into position by tightening a screw at the rear. Made from solid oiled beech. The dimensions (when the canvas holder is at the lowest position) are 20-1/2" wide by 21-1/2" deep by 67" high. When the canvas holder is at the highest position, the overall height is 92-1/2". The maximum canvas height that will fit on this easel is 49". This easel can be shipped by UPS anywhere in the 48 Contiguous States for only $19.95!