Wosume WosumeBroche d'arbre Moteur Collet, 7PCS ER11 Tige d'extension de Support d'arbre Moteur 5mm + ER11 1-7mm Pinces à Ressort Ensemble

【Spring Steel】: made of specially designed high -quality spring steel, which not only has stable performance, but also has a simple structure 【Fabrication Professionnelle】: exécution exquise, haute fiabilité 【Automatic Trigger Tools】: Design and integrated automatic trigger tools will never fall into support 【Application of Cooling Tools】: Together with any standard ER clip Candrin, the application of cooling tools. The steel spring tweezers should be placed before the clamp nuts, and then insert it into the fixture. 【Widely Used】: widely used for boring, milling, drilling, silk attacks, sculptures, computer control and other processing