Standard Pack = 1 piece(s). Adjustable TorqueVario-S Handle with Newton Meter Scale. 1.0 - 5.0Nm. .20Nm Increments. Ergonomic multi-component handle, light and compact. Handle Sizes proportioned to optimize torque range. Audible & perceptible click when torque setting has been attained. With certificate of calibration. +/- 6% Accuracy. (Includes Adjustment Tool)