Epson LabelWorks PX heat-shrink tube cartridge, 7/8 in (21 mm) nominal diameter, Black on White print, for wire/cable AWG 0000-1. 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-PX900.