G31-21 G3121 Mcpherson Micro Iris Forceps Smooth Platform 0.3x5mm Curved 3 1/2" G31-20 G3120 Mcpherson Micro Iris Forceps Smooth Platform 0.3x5mm Straight 3 1/2" G31-26 G3126 Mcpherson Micro Iris Forceps Serrated Platform 0.3x5mm Straight 3 1/2"