Precise, adjustable measurements: the sliding gauge gives accurate, repeatable measurements for hemming, seam allowances, and fabric marking so your finished work matches your settings every time. Durable, lightweight construction: made from aluminum and ABS, the tool is built for longterm use and reliable performance across multiple projects. Multifunction sewing ruler: use it as a seam gauge sewing ruler, seam allowance guide, button assistance tool, and button guide spacing device — one tool for several layout and measuring tasks. Easy to use: the sliding scale is simple to position and read, helping you speed up routine tasks and reduce measurement errors. Wide compatibility: suitable for quilting, tailoring, alterations, dressmaking, and general DIY sewing and craft projects. Typical use scenarios Hemming and alterations: set consistent hem depths on pants, skirts, and curtains for professionallooking results. Button placement: mark and space buttons evenly on shirts or coats using the button guide spacing function. Quilting and piecing: measure and mark seam allowances and fabric placement when cutting and joining quilt blocks. What it solves Eliminates guesswork when marking hems and seams. Reduces uneven button spacing and inconsistent seam allowances. Provides a compact, reliable measuring aid you can keep in your sewing kit. What to expect Functional, adjustable sliding gauge for precise layout work. Sturdy construction (aluminum and ABS) that stands up to frequent use. A versatile accessory that complements hand sewing, machine sewing, quilting, and craft projects.