Magnified view window shows torque value in numbers onlyHighest quality Japanese spring resists fatigue for long service lifePatented dual roller reaction bar system minimizes friction for increased accuracyHardened steel tube will not deflect under strain and will not be scratched by internal parts, ensuring reduced friction and highest possible accuracyConversion scale permanently etched into tube for easy conversion to NmPatented positive lock prevents accidental adjustment of torque valueQuick-release ratchet holds sockets on until releasedSure grip handle with finger groove ensures correct placement of hand for better accuracyFeatures a 48-tooth quick release reversible ratchet headDrop forged Chrome Molybdenum ratchet pawls for maximum strengthLifetime tested to a minimum of 3 x ISO standards