The Ilsco GBL is a high-quality ground lug designed for reliable electrical connections. Constructed from durable aluminum and plated with tin for enhanced conductivity and corrosion resistance, this lug ensures a secure and long-lasting ground connection. Its dual-rated design offers versatility in application.This is a dual-rated aluminum ground lug from Ilsco, model GBL. It is tin-plated and designed for a conductor range of 250-6 AWG.