Wera 05078200001 7773 A Square drive insert, 9x12 mm, 1/4" x 44 mm

Application: For 1/4" square socket wrench inserts and 1/4" connecting parts with square drive
Drive: 9x12 mm; for torque wrenches of the Click-Torque X and XP series with 9x12 mm holder
Design: Forged, chrome-vanadium steel, matt chrome-plated; with safety pin

Technical Specifications:

• 7773 A Square drive insert, 9x12 mm, 1/4" x 44 mm