7774/2 Bit adapter insert, 5/16", 9x12 mm

Application: Suitable for 5/16" DIN ISO 1173-E 8 hexagon insert bits and Wera Series 2
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