The tired sewing needles have an open -by -spring chas. They are relatively easy to put on, because you have to pull the tense thread than through the two chas and the wire is thus retained. So, even people with visual impairment have no problems putting on. In addition to this special and flawless chas, we find with this needle the known quality parameters of a conventional sewing needle like the smooth surface and Non-porous for shift, suitable elastic resistance and long and particularly polished tip. Pack of 6 needles n ° 5-9.