✔USA Wholesaler ✔U-shaped fasteners allow the canvas to fold into the miter, creating neat and perfectly folded corners​​​​​​​ With the clamps. ✔Bars snap easily into place, providing constant tension for a tight, drum-like feel ✔The stretcher bars are available in 8",10",11",12", 14",16", 20", 24'', 28'', 30", 32'' 36'', 40'',44", 48'' lengths ✔The bars are kiln-dried to a moisture content below 8% to ensure they don’t warp or shrink. The stretcher bar is 1.25 inches wide and 0.75 inch thick. This design allows minimal cut of the original picture. At the same time, the bars can provide strong and stable support to the canvas. ✔Customized Size: Customized bars may show signs of hand cutting, but it doesn’t affect the use. ✔The size you choose is the actual size of the finished product. Please refer to Picture 5 to leave extra space on the canvas for stretching. ✔Enjoy the easy process of stretching your own canvas in a professional way. Should you have any questions regarding the product or installation, please feel free to contact us. Our customer service team is more than pleased to help.