The GBS190SRO is a heat shrink sleeve manufactured by BM Group. It has a glueless 2: 1 ratio and a 19mm diameter. The total length is 1m and it is made of polyolefine. This sleeve can be used for insulation and strain relief for a wide variety of applications, including automotive, industrial, and medical uses. The sleeve has a high shrink rate of 3: 1 allowing for easy installation. The sleeve also provides excellent environmental protection from fumes, dust, salt, moisture, and other substances.