It is a semi-permanent metal holder which can be easy to use by inserting a small drill bit. This metal holder can be use together with variety of delicate drill bits because it is made of metal. It is economical, practical and stylish item. * Range of use: 1.2 mm or less * Included: 1 pinvise ( we do not ship blade of the photo to you. If you need blade of the photo, you should buy them separately. )