Product Description: Material: aluminum purity>99.7% Diameters: 13.5mm/16mm/19mm/22mm/25mm/28mm/30mm/32mm/35mm/38mm/40mm Length: customized as you want Screw Thread: M6/M7/M9/M11/M12/M15/M16 Printing&color:Offset Printing; white/silver/yellow etc roller coating,and 1-6 colors printing for your choice Caps: Screw caps or Standup caps Plastic nipple: all depends on your demand, to keep a beautiful appearance and clean Tips: normal open tips/membraned tips or injection tips.
