Comes with calibration certificate Load direction: Right, left Torque accuracy: Right (±2%), Left (±3%) Torque adjustment range (N・m): 27 (6.8) to 135 Minimum scale (N・m): 0.1 Total length (mm): 380 Insertion angle (mm): 9.5 Head宽度(mm):31.5 负载方向:右,左 电源(v):2 x AA电池(包括用于测试) 扭矩准确性:右(±2%),左(±3%)