Keson Open Reel Fiberglass Tape – 300 ft / 100 m (Standard + Metric) The Keson open reel fiberglass tape is designed for long-range measurement with both standard and metric graduations. Its fiberglass blade construction provides a balance of flexibility and durability for large-scale layout and site measurement tasks. Built for demanding environments, the Ultra-Glass blade is double PVC coated to protect against abrasion and maintain clear markings over time. The open reel frame, reinforced crank, and guided blade return system deliver reliable performance in the field. Key Features • 300 ft / 100 m length for long-distance measurement • Standard (ft/in/1⁄8) and metric (cm, 2 mm) graduations • Double PVC-coated fiberglass blade for extended life • Double throat rollers for smooth, controlled rewind • Reinforced crank handle for durability Ideal For Surveying, construction layout, and infrastructure projects requiring extended reach and dual-unit measurement.