Hi-Flex Glow Rod Set, 18-Foot Klein Tools 56418 Provides the ultimate in flexibility to navigate tight bends and narrow openings Protective Splinter Guardcoating keeps hands free of fiberglass splinters Durable stainless steel connectors Glows in the dark to illuminate dark work spaces Three 5/32-Inch (4 mm) diameter x 6-foot (1.83 m) glow rods assemble to a full 18-feet (5.49 m)