5 metre blade length. 19mm blade width for clear and legible markings. Class II accuracy, suitable for the majority of professionals, providing a reassuring +/-0,5mm error tolerance at 1m. Tylon™ blade coating for improved durability and wear resistance, providing up to 1.5 times abrasion resistance versus a standard lacquered blade. TRU-ZERO™ hook for precise inner and outer measurements, moving back and forth along the securing rivets to account for the hook thickness. Bright yellow, easy-to-read blade.