The Ilsco CSWS is a SureCrimp compression lug made of copper, designed for reliable electrical connections. It features a standard barrel with a visual inspection window and is tin-plated for enhanced conductivity and corrosion resistance. This lug is UL and CSA listed, ensuring it meets stringent safety and performance standards.This is a SureCrimp copper compression lug with a standard barrel, featuring a visual inspection window. It is tin-plated and designed for conductor size 6. The lug has one hole and a 1/4 inch size. It is UL and CSA recognized.