Product Info Catalog Adhesives Tape Electrical Heat Shrink Tubing, Assorted Sizes, Black, 0.125 - 0.0625 & 0.25 - 0.125-In. x 4-In. L. Heat Shrink Tubing, Assorted Sizes, Black, 0.125 - 0.0625 & 0.25 - 0.125-In. x 4-In. L. Request a Quote UPC: 32076077914 Manufacturer: Gardner Bender Inc SKU: 161626 Model Number: HST-ASTB Heat Shrink Tubing, 1/8" - 1/16" 4" L , 1/4"-1/8" Resists common fluids and solvents. Meets UL 224, 125 C; CSA C22.2 No. 198.1, 125 C; MIL-DTL-23053/5, Class 1 & 2, AMS 3636 & 3637; DEF STAN 59-79, Issue 3 Type 2a. Continuous operating temperature: -55 C (-67 F) - 135 C (275 F). Shrink temperature: 120 C (250 F) - 250 C (480 F). 600 V/Mil Dielectric strength. 2:1 shrink ratio.