Wiha SoftFinish TorqueVario screwdrivers have variable torque settings that can be adjusted in increments using an adjustment tool. The torque display scale shows the exact torque setting. When turning the driver will emit and audible click once the torque setting has been attained and automatically resets for the next torque cycle.The TorqueVario handles are designed to work with Wiha Torque Control Blades. There are bit and socket adapters that allow for using the torque driver in a variety of applications. Tools Marked with Serial No. Include Calibration Certificate Meets ASME B107.14m, EN ISO 6789, BS EN 26789 Quality Accuracy Guaranteed to 5000 Cycles Laser Calibrated Scale Marked, Serialized for traceability Enclosed Mechanism Ideal for production controlled environments +/-6% accuracy tolerance Certificate of calibration SoftFinish cushion grip handle Audible and perceptible click when the torque setting has been attained, automatically resets for next torque cycle Includes Torque setting adjustment tool and ¼” bit holder Newton Meter Scale. 0.8 – 5.0Nm | .20Nm Increments.