... :Steel,Brass or Stainless Steel Plating :Zinc ,Nickel RT-GNB104 Button Head Type GREASE NIPPLES /Grease Nozzle We are the most ... to your requirements. Feature Inch size:BSP,SAE and NPTType:Button head typeMaterial:Steel,Brass or Stainless steelPlating:Zinc plated,Nickel ...