Moveable stop for left and right versions Use the entire component of the latest generation Kong lock. The ability to fix on particularly worn strings thanks to the emptying eyelets not only on the hut but also on the cheek. The new material and a special thermal and chemical process give the interdental spaces a very higher surface hardness in addition to the colour black. The result is a great wear resistance and a reduction in strawberries that normally penetrate the steels from low temperature. New ergonomic opening click, easy to maneuver and very shockproof and by the risk of accidental opening. With cam protection. Quality product, made in Italy