The Ilsco CSWS-600-12 is a SureCrimp copper compression connector designed for reliable electrical connections. It features a standard barrel, a sight window for visual inspection, and is tin plated for enhanced conductivity and corrosion resistance. This connector is UL and CSA listed, ensuring it meets high safety and performance standards.This is a SureCrimp copper compression connector from Ilsco, model CSWS-600-12. It is designed for 600 KCMIL conductor size and features a 9/16 inch lug. The connector has a standard barrel, a sight window, and is tin plated. It is UL and CSA certified.