Single-ended stainless-steel 14 piece set of Hegar Uterine Dilators.Slightly curved 3mm to 17mm.1 Piece Of 4mm1 Piece Of 5mm1 Piece Of 6mm1 Piece Of 7mm1 Piece Of 8mm1 Piece Of 9mm1 Piece Of 10mm1 Piece Of 11mm1 Piece Of 12mm1 Piece Of 13mm1 Piece Of 14mm1 Piece Of 15mm1 Piece Of 16mm1 Piece Of 17mm