7870 Joker L Self-setting insert spanner for wrench sizes 16-19 mm, 9x12 mm

Application:Hexagon screw heads and bolts
Drive:9x12 mm; for torque wrenches from the Click-Torque X and XP series with 9x12 mm mounting
Design:Self-setting spanner with ratchet functionality; jaw adjustable in size, parallel smooth jaws; with 30° return angle via the corner-width prisms in the jaw