Urethral Dilator Set. Includes: Dilators 8, 10, 12, and 14 Fr, with sideports, 37 cm long, polyethylene; Dilators 16, 18, 20, 22, and 24 Fr, without sideports, 37 cm long, polyethylene; Straight safety wire guide .038 inch (.097 mm) diameter, stainless steel, 80 cm long wire guide with red safety index mark 39 cm from distal tip.