Professionals prefer LABELWORKS PX and the LW-PX300 A low-cost, compact wire-marking, bar-code and general-identification label printer for creating custom and compliant labels. Identify wires and equipment, organize tool cribs and storage bins, tag assets and more. This portable, easy-to-use label maker offers extraordinary flexibility and durability at an affordable price. With the LW-PX300, you can print on a variety of materials such as magnetic tape, heat shrink tube and super strong adhesive tape. Prints on adhesive and magnetic tapes from ” (6mm) up to (18mm) and on Heat Shrink tube from 1/8″ (3mm) to 3/16″ (5mm). FREE Software…No licensing! 100% Manufacturers Lifetime Warranty!