3pcs 1.5x6mm Tritium Vials Titanium Ring Self-Luminous 15years 18mm/20mm (Flashlight Accessories)

Specification: Product name: Tritium Vials Titanium Ring Material: Titanium TA2 Tritium size: 1.5x6mm (diameter x length) Tritium color:send by random Tritium quantity:3pcs Weight:3.3g Size: 18mm/20mm(inner diameter) Features: 1.Hight quality with titanium alloy material,can use for a long time,corrosion resistance and stability. 2.Comes with 3pcs tritium,great for decoration. 3.The tritium tube light can be used for 15years,no need to use battery. Package included: 1 x Tritium Vials Titanium Ring