The Qualtek Electronics Q-PTFE-16AWG-02-QB48IN-25 is a pack of 25 thin wall heat shrink tubing with a 2.36mm internal diameter and a length of 48 inches. Made from PTFE material, this tubing provides excellent heat resistance and a clear finish for easy visibility. The tubing has a shrink ratio of approximately 1.5:1, making it perfect for a variety of applications where protection and insulation are required.