Size: The quilting gauges ruler measures about 5.5x2.5inch, 4mm / 0.16inch in thickness, and the size of the sewing machine guide magnets is about 1.7x0.6inch, lightweight, easy to store, carry and use Sewing Ruler: The sew ruler features clear scales, and 17 different increasing holes, ranging from 1 / 8inch to 2inch, meeting your assorted sewing needs, and this ruler adopts clesr designs Seam Guide: the nice magnetism can make the silver sewing guide attach to the sewing machine firmly, so as to help you hold the fabric in place and keep the edges even Complete Sewing Set: you will receive 1 straight line quilting ruler and 2 guides ( or without) for sewing, you can store for long-term use, or share with your friend and families who have trailers and Firm: the seam allowance ruler is sturdy and without breaking easily, washable and easy to clean, and the scales are clear; Not easy to deforms or rust, offering a long service life