A 40” heavy duty BEST stretcher bar made for use with BEST cross braces. Finger spliced to create strong joints and longer and straighter bars. Free from knots and defects or annoying splinters. Rounded back stretches canvases out tightly and makes them easier to work with. Does not wear down over time like lower quality stretcher bars and creates a nice snug painting surface with the rounded back. Created from the highest quality raw materials, and designed for artists from every background and for every painting purpose. Museum quality stretcher bars keeps your art looking great for years to come.