Wholesale Arts Frames is a leading manufacturer and supplier of wholesale canvas stretcher bars and stretcher frames for artist canvas , Giclee canvas prints ,oil paintings etc' . The stretcher bars are made of first quality precision-cut kiln dried Pine Wood. Double in depth and strength. Ideal for gallery stretching. The bars have a beveled edge for minimal canvas contact. When the artwork is hung frameless- these are the best bars to use for a clean modern Gallery Stretching Museum Stretching finish. We recommend use of our cross braces (middle bars) for strips over 30", to maintain frame strength. Corner braces are recommended for added stability when stretching sizes 36x48 and larger.