18" Jack Richeson & Co. Inc. Lightweight Stretcher Bar #894011 This is an 18 BEST lightweight stretcher bar intended for use on smaller artworks. Made from sustainable pine, these stretcher bars are durable and a good choice for new artists, students, and even experienced veterans. They should not be used for larger canvases. Keep in mind that these are cut 1/8 shorter than the listed measurement so the canvas can fit inside of a photo frame if necessary. A great choice for small artworks that you want to display and produce quickly. Pine is an ecologically friendly wood to use for these smaller canvases, and you will appreciate the durability and quality of these affordable stretcher bars.