The ILSCO CTL-350 is a SureCrimp copper compression sleeve designed for reliable electrical connections. It features a long barrel and tin plating for enhanced durability and conductivity. This sleeve is UL and CSA certified, ensuring it meets high safety and performance standards.The ILSCO CTL-350 is a copper compression sleeve with a conductor size of 350. It has a long barrel and is tin-plated. The product is UL and CSA certified. The item package dimensions are 10.0 inches in length, 10.0 inches in width, and 10.0 inches in height, with a package weight of 8.9 lb.