Two large holes to allow injecting spices in your marinade into the meat. Purchase is for ONE needle. Neogen 60cc Injector Neogen Pro Shot Neogen Pro Shot II BDI Siphon Injector Mean Green Siphon Injector Chops Power Injectors All of these needles are made of high quality Stainless Steel. Add as many needles as you need to your cart when buying a new injector to save on shipping More Details