- They are totally Made in Italy, produced in our facilities in Tuscany. - They are certified in Class II and they are produced according to all requisites of law. - They are perfectly round. - After bending they keep the desired shape. - The removable tip is designed to have great resistance on the tube: there are some inner hooks that provide good resistance and that avoid any accidental falls of the tip during use. - To remove it, the operator must apply a considerable force. **For further product information, please contact Chat Support**