A set of 6 14” BEST heavy duty stretcher bars which are used with BEST heavy duty cross braces. They are constructed from durable finger spliced pine. Finger splicing was used in construction and then applied to stretcher bar production. The method makes the bars stronger without splinters and defects like knots. Can be used for several different types of canvases, and are easy to assemble for artists of all skill levels and experience levels. Rounded back allows the canvas to be stretched out more tightly which makes the canvas easier to work on. Built with a commitment to quality.