Wera 7772 B Ratchet insert, reversible, 9x12 mm, 9x12 x 3/8" x 52.1 mm

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.