sku=G20-108,select_size=Gruenwald Nasal Punch 4 1/2" Shaft 3 X 12mm Bite|sku=G20-107,select_size=Gruenwald Nasal Punch 4 1/2" Shaft 2.5 x 12mm Bite|sku=G20-106,select_size=Gruenwald Nasal Punch 4 1/2" Shaft 2 x 10mm Bite