For the removal of poisons from snake bites, bee and wasp stings, mosquito bites and more, use the Sawyer (R) Extractor Pump (R) Kit. It was designed specifically to provide the most powerful suction available for the safe extraction of venoms and poisons. Its double-chamber pump action is so powerful you will not need to use the dangerous scalpel blades or knives associated with less effective bite kits. FEATURES: Removes poisons from snake bites, bee and wasp stings, mosquito bites, and more Uses powerful suction No scalpel blades or knives Double chamber pump No syringes Only one hand needed Four different cup sizes included to cover the area of the bite Cups are interchangeable on suction plunger Wash cups after each use and re-use