Gardner Bender Thin-Wall Heat Shrink Tubing, 1/2 In. x 4 In. a versatile solution for cable insulation, marking, and bundling. Featuring a thin-wall design, this tubing provides superior mechanical strength, abrasion resistance, and protection against moisture. It is flame-retardant and resistant to common fluids and solvents, ensuring reliable performance in demanding environments. I for above-ground use, this heat shrink tubing is a durable and dependable choice for various applications where safety and longevity are important. Model Number: HST-500R