OmniGlow™ Lightstick Accessories Lightsticks provide a waterproof light source more dependable than flashlights and safer than flares or candles. Universal cone adapter secures 6", 10" or 15" lightstick to traffic safety cone for high visibility closer to eye level. Magnetic base is ideal for marking vehicles and holds a 6" or 10" lighstick. Traffic control handle holds a 6" lightstick and features a wrist strap.