Dimensions: 30M/98 Feet, 50M/164 Feet, 100M/328ft Material: Alloy steel Specifications: Portable Metric Steel Frame Ruler - Available in 30M/98 Feet, 50M/164 Feet, and 100M/328 Feet, providing a range of measuring options for different applications.Make this scale fit for both professional use and daily use. Metal Tape - Made from high-quality alloy steel, our ruler is durable, accurate, and designed to provide a long service life. Stainless Steel Steel Ruler - The long size design makes it suitable for both professional and daily use. With the 360 degree rocker, and the two-legged guide wheel prevents long-term wear, easy to operate, convenient and practical. Retractable Tape - Anti-aircraft and labor-saving rocker, inserted with a pointed tip, plated ruler, clear and wear resistant.Unique roller design make you storage and use it easily. Although the scale are long you still can use it as an short size scale. Retractable Tape - Anti-aircraft and labor-saving rocker, inserted with a pointed tip, plated ruler, clear and wear resistant.Unique roller design make you storage and use it easily. Although the scale are long you still can use it as an short size scale. Package Included: Portable Metric Steel Frame Ruler * 1