One Williams brand, metal, sewing and knitting gauge/dressmakers ruler, in original packaging. The gauge is 6" long and has measurements in centimetres and inches. You can use the gauge for measuring and marking hems and seam allowances, to gauge the shank depth when sewing on buttons and for marking buttonhole spacing and length. You can also use the gauge to evenly space tucks and pleats, and for drawing scallops, and knitting projects. This product is for adult use only. The gauge has a sliding pointer.  W. Williams & Sons is one of the oldest haberdashery companies trading in the UK and their products are synonymous with quality