Pean Rochester Straight 12”: Working End Length 4 inch, Net Weight of Instrument 4.08 oz., 3 Steps Locking Ratched. Pean Forceps Rochester Pean Forceps Pean Clamp Rochester Pean Hemostatic Forceps Rochester Pean Clamp. Also called a hemostatic clamp, arterial forceps, or pean after Jules-Émile Péan is a surgical tool used in many surgical procedures. Rochester-Pean Hemostatic Forceps are used for clamping larger tissue and vessels for hemostasis. The full horizontal serrations and 12” lengths make these forceps a versatile instrument used in multiple procedures. They are available Straight. This product is straight with full, horizontally serrated jaws, and a length of 12 inches.