Lister Urethral Bougie Set of 12 (11inch) Round Sprocket Frame The adult size sigmoidoscope measures

The adult size sigmoidoscope measures 19mm x 300mm

The size of the gouge is indicated by the width (20mm) and length (203

and throat) procedures

Strabismus scissors are used to make precise cuts in the extraocular muscles during a strabismus surgery

The 155mm size is the length of the handle

Lister Urethral Bougie Set of 12 (11inch) Round Sprocket Frame The adult size sigmoidoscope measuresA Lister Urethral Bougie Set of 12 (11 inch) is a specialized medical instrument used in the urological field of surgery. It is used to help guide a catheter or other instrument through the urethra during a procedure. The set includes twelve bougies of 11 inches in length, which can be used to measure the size of the urethra and ensure the catheter is inserted correctly.