Swordfish 61200 3:1 Dual Wall Adhesive Lined Heat Shrinkable Tubing Assortment Kit, 85 Piece 3:1 Dual Wall Adhesive Lined Heat Shrinkable Tubing Kit The heat shrink is perfect for shrinking and sealing connectors, wires, etc. 85 pieces of dual wall heat shrink in 4" lengths with a thin adhesive lining for air tight seals. 6 Sizes: 3/32"(30 pcs), 1/8"(20 pcs), 3/16"(15 pcs), 1/4"(10 pcs), 3/8"(5 pcs), 1/"2(5 pcs) Material: Polyolefin, Shrink Temp:70C - 125C, Operating Temp Range: -45C - 125C