GBS048STR is a 4.8mm wide, heat shrinkable glueless, 2:1 polyolefin sleeve manufactured and marketed by BM Group. It is 1 meters long and has good resistance to water vapor, abrasion, acids, alkalis, tar and oil. It can be shrunk to roughly half its original size during installation, typically by using hot air or a heat gun. It is designed for the protection of wiring harnesses, electronic components and connectors against harsh weather, corrosive environments and mechanical stress.