... pull type,fastener type For gynecology disease treatment. L,M,S available OEM service Product name: Vaginal speculum, Vaginal specula, Vaginal Dilator.Type: Pull-push type ... ,middle screw type,later screw type. faster type. Sizes: Large, Medium,Small ... : OEM or our brandUsage custom:Side screw type: often used in Europe. Southeast Asia and ...