The Coravin Three Needle Kit contains three different Coravin Wine System needles, providing you with a needle for any bottle or situation. All Coravin Wine System Needles are stainless steel and Non stick, providing durability and easy insertion for over hundreds of pours.Faster Pour Needle: a slightly wider gauge, this needle will pour a glass of wine more quickly from bottles with corks that are in good condition.Vintage Cork Needle: with a slightly thinner gauge, this needle is designed to access the older bottles in your collection that may have a fragile or delicate cork.Standard Replacement Needle: the same needle that comes standard with each Coravin System, this needle can replace your original needle should it become worn or misplaced.