• High visibility makes arrow easier to spot
• Line marker for use with guide lines on low-visibility dives, used to mark locations and hazards along the guide line route
  
• Used to indicate the direction of exits and jump points
• High visibility color makes the arrow easier to spot
• Two angled slots for wrapping guide line to hold arrow securely in place
• Dimensions: overall length 2.5 inches (6.35cm)

In cave dives, wreck dives, tech dives or any other low-visibility dive situation where a guide line is employed, line arrows and markers are placed along the line to indicate the direction of exits and jump points, and to mark specific locations along the route.