Description: Made from upgraded aluminum, anti-rust and durable. Flexible sewing gauge measure multiple equal distance and is used for fast and accurate placement of pleats hooks zippers buttons and more. Used for curtain process, clothes button, the amazing ruller can evenly divide the curtain space; position window curtains or zippers, usually use with the grommet punching machine. Save the trouble of measurement and calculation when making sewing, convenient and practical for use. It is a must have for curtain shops or for household handmade sewing, length can be flexible adjusted according to your needs. Specification: Material: Aluminum Color: Silver Package Includes:1 Piece Sewing Gauge Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 0.1-2cm measuring deviation due to manual measurement.