6pcs 1.5x6mm Tritium Vials Titanium Ring Self-Luminous 15years 18mm/20mm

Specification Product name Tritium Vials Titanium RingMaterial Titanium TA2Tritium size 1 5x6mm diameter x length Tritium color send by randomTritium quantity 6pcsWeight 4gSize 18mm 22mm 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