This 3/8" Drive Dial Torque Wrench by Armstrong has dual-faced dials that are color coded (silver for English, blue for Metric) that make for quick reading from any angle. A memory indicator pointer remains at maximum torque for positive verification which is valuable to determine breakaway torque.The over-sized dial permits easier reading. A strong corrosion resistant housing offers long-term performance while the slim drive end allows easy access to tight spaces. Accuracy ratings of +/-4% CW, +/-4% CCW from 20% to 100% of wrench capability. Meets or exceeds ASME B107.14M-1994 and ISO 6789 specifications.