Proxxon Double Ended Ring Spanner 17mm + 19mm

Optimal surface protection by means of double nickel-plating and single chrome-plating. With easy to hold, smooth finish.
With durable laser inscribed and clearly readable sizes in mm.
Polished heads: slim and thin walled. Torque characteristics still exceed DIN/ISO requirements.
Dimensional tolerances are better than those required by DIN/ISO. Each piece is calibrated and checked.