Hegar Double-Ended Uterine Dilator Set is a set of 9 manual, probe-style instrument used to dilate the cervix. They are solid, nonflexible, and available in multiple diameters.
This product contains 8 double-ended dilators: 3mm/4mm; 5mm/6mm; 7mm/8mm; 9mm/10mm; 11mm/12mm; 13mm/14mm; 15mm/16mm;17mm/18mm;19mm & 20mm. The overall length of each is 8 inches.