We are offering heat shrinkable sleeve. Applications light duty wire harnessing for electrical & electronic applications. provides electrical insulation and protection for in-line components. used as strain relief for electrical wire connection. bus-bar insulation for switchgear. color coding for wires, cables, terminals and components. Specifications mil-1-230535 class 2 & 3, ul224 (file no. E328538) 1250c vw1, csa c22.2