These “no scalpel” Vasectomy instruments are designed to simplify the operation by eliminating the scalpel. The forcep, a sharp point and curved instrument is designed to puncture the scrotal sac, pierce the vas where it is then secure by the Fixation Ring Clamp. Then the vas is clipped and divided. The I.D. of the eyelet is approximately 3.5mm. These instruments are made of high quality stainless steel and secure lock ratchets with no sharp edges.