Epson LabelWorks PX heat-shrink tube cartridge, 1/2 in (11 mm) nominal diameter, Black on Red print, for wire/cable AWG 2-8. 98 in (2.4 m) per cartridge. Flame-resistant polyolefin (UL 224, 125°C, 300V) that shrinks tight with heat for permanent, abrasion-resistant wire and cable identification. Compatible with LW-PX700, LW-PX900.