DescriptionThe Canvas/Panel Holder can hold stretched canvas and painting panels from 8? up to 30? tall (20 cm to 76 cm). Rubber canvas holders will securely hold ¾?, 1-½?, and 2? thick canvas. The panel clips will securely hold ¼? painting panels. The Canvas/Panel Holder is secured on a standard 1/4 × 20 tripod ballhead. It attaches in seconds and is adjustable to any angle including flat for watercolor.Dimensions:Length: 14-¼? (36)Width: 8? (20 cm)Depth: 3? (7.5 cm)