With built-in lever-action reversible ratchet. For controlled clockwise tightening. Automatic release. Audible and tactile release signal. Release accuracy ± 3 % in accordance with DIN EN ISO 6789-1:2017-07Contents:With 12.5 mm (1/2″) square drive1 torque spanner, working range 40–200 Nm1 hexagonal power socket bit ea. in AF 13, 14, 15, 16, 17, 18, 19,