WERA S.open-end spanner adjustable 16-19mm Joker L

Open-end spanner Joker, self-adjusting

Design: Made of chrome-molybdenum steel, head mobile mounted for screwing according to the ratchet principle with a swing-back angle of 30°. The parallel, flat jaws adjust automatically and continuously to the required jaw span . The screw is securely clamped by the integrated lever mechanism, reducing the risk of slipping.

Application: For fast, continuous screwing, even in cramped working conditions.