Our TE Connectivity Energy Heat Shrink Tubing FCSM-28/9-1200-S(B25) is a heavy-duty, dual-piece black polymer tubing designed to provide reliable insulation and protection for electrical connections. This high-quality heat shrink tubing is perfect for a wide range of applications where durability and heat resistance are essential. With a shrink ratio of 3:1, this tubing conforms snugly to wires and cables, creating a waterproof seal that helps prevent corrosion and abrasion. Upgrade your electrical projects with our TE Connectivity Energy Heat Shrink Tubing for added peace of mind and performance.