Size:1/4inch(6mm),5/6inch(8mm),3/8inch(9mm),1/2inch(1.2mm),5/8inch(15mm), 3/4inch(19mm), 7/8inch(22mm) Refrigeration Tools, Now next gen swaging needle available with Ecoab brand , Ecoab brand swaging needle suitable for all types of copper pipe , it must be use with drill machine only