Single-ended stainless-steel 14 piece set of Hegar Uterine Dilators. Slightly curved 3mm to 17mm. 1 Piece Of 4mm 1 Piece Of 5mm 1 Piece Of 6mm 1 Piece Of 7mm 1 Piece Of 8mm 1 Piece Of 9mm 1 Piece Of 10mm 1 Piece Of 11mm 1 Piece Of 12mm 1 Piece Of 13mm 1 Piece Of 14mm 1 Piece Of 15mm 1 Piece Of 16mm 1 Piece Of 17mm