The ideal stretching tools! High quality stretching pin made of super smoothly polished surgical 316L steel, with a standard length of 50 mm. These stretching pins were designed exclusively by All Over Piercings and increase in size gradually, allowing you to stretch your piercings as safely as possible. The finish of these pins is superb; they are polished to a high sheen, mirror finish giving you the smoothest possible stretching experience. The back of these stretching pins is slightly concave which helps guiding the jewelry when using these to insert them.