Specification: Product name: 3x 22.5mm Trit Vials
Material: Tritium gas Waterproof: 100mlight range:7-8cm
Colour: green, red, blue Weight:5g
Size: 3x 22.5mm Quantity:1pcs
Features: Glows continuously for 15 years Bright & visible unique clear white glow Completely contained & self-powered Perfect for space flight & aviation, instrument, war industry & collimator. Or decorations, horologe, luxury & glasses. Package included:1 x 3x 22.5mm Trit Vials