Breisky Vaginal Retractor - 13 x 20 mm

In gynecological treatments, the Breisky vaginal retractor is a surgical tool that is frequently used to retract the vaginal wall, improving access and visibility to the surgical site. It is likely that the 13 × 20 mm dimensions you have provided correspond to the blade size, which is 20 mm in length and 13 mm in width.