This 5.2mm black-on-white heat shrink tube cartridge offers reliable, professional-grade labeling for wires and cables. Compatible with Brother PT-E300VP, E550WVP, D800W, P750W, P900W, and P950NW printers, it provides a durable 3:1 shrink ratio for tight, secure fittings. Ideal for electrical identification, it ensures clear, long-lasting markings that withstand heat and abrasion, helping you organize and protect your projects with ease and confidence.