Wera 7772 B Ratchet Insert, Reversible 3/8" Square Drive 078636

7772 B Ratchet insert, reversible, 9x12 mm, 3/8" x 52 mm For torque wrenches of the Click-Torque X series with 9x12 mm holder For 3/8" square socket wrench inserts and 3/8" connecting parts with square drive Fine toothing with 72 teeth Easy switching by knob Socket lock by push button Ratchet insert, reversible, for 3/8" square socket wrench inserts and 3/8" connecting parts with square drive; for torque wrenches of the Click-Torque X series with 9x12 mm holder. 3/8"x52.0