High visibility fluorescent for spotting with UV lights in silk-out conditions

• Overall length 2.2” (5.5cm).
• Technical scuba diving directional line round marker.
• Mark your line with these round shaped markers for entry and exit of cave or wreck.
• Lightweight, compact, durable and corrosion-resistant.
• Easy to install and use.
• Great replacement accessories for scuba diving, cave wreck diving and other technical diving applications.