A set of 1 x B and 1 x C Professional Quality Canvas Stretcher Bars cross braces are required for Professional Quality Canvas Stretcher Bars (Profile 2) stretcher frames 48" in size and larger, in two directions. Bars are made in the European union from European Baltic pine. Maximum Cross Brace frame size is 84" x 84".Buy Each Brace Separately with appropriate size.Price for 1 x Cross Brace only. You must have one brace type B and one brace type C for a Cross Brace.  All products listed are usually of a large weight and size. Due to this fact, extra freight charges will be calculated upon check out.