Button Hole Spacer, Telescopic Craft Guide, Sewing Measuring Tape, Equal Distance Measuring Tool for Button Holes: Made of upgraded aluminum, rust-resistant and durable. This flexible sewing measuring tape measures multiple equal distances for quick and accurate positioning of pleats, hooks, zippers, buttons, etc. Suitable for curtain processing and garment buttons; the magical rollers evenly divide curtain space; used for placing curtains or zippers, usually used in conjunction with a hole punching machine. Eliminates the hassle of measuring and calculating during sewing; convenient and practical. An essential tool for curtain shops or home hand sewing; the length is flexibly adjustable to your needs. Specifications: Material: Aluminum Color: Silver Package Includes: 1 Sewing Measuring Tape Notes: 1. Due to differences in monitors and lighting effects, the actual color may slightly differ from the color shown in the picture. Thank you! 2. Please allow for a measurement error of 0.1-2 cm due to manual measurement.