DIN EN ISO 6789:2003 Type 11, Class A. Gedore Dremaster Z Series Spigot Torque Wrench (DMZ). Torque Wrench with spigot fitting for use with Gedore s interchangeable Torque Wrench heads. Supplied complete with a factory checked calibration certificate. Satin Chrome plated tubular Steel construction for strength and durability Ergonomically designed shape with a soft comfortable handle Ball lock mechanism for a secure head fit Easy to read glass display with markings for reduced reading errors Release system with audible signal for easy setting Highly accuracte to +/- 3% tollerance