Lacis-Blocking Wire. A fine stainless steel tempered wire used to both block and display round doilies and centers. The wire is usually fed through the outermost stitches, the ends overlapped and secured. This is a preferred way to display doilies without starching as well as a way to avoid or at least minimize pinning. Contains one 25 foot by 0.034 inch wide Lacis blocking wire. Made In USA.