yeqin 5-in-1 sliding gauge measuring sewing tool yeqin a multi-functional sliding gauge for easy marking. use this handy tool for marking button holes; seam allowance gauge; hem gauge; circle compass; t gauge and that is only sewing. try this handy tool for scrapbooking; card making; paper crafts; and much more. adjustable from 0 to 5-inch in 1/8-inch increments. constructed of plastic. imported.