GSPA-0 Features: -Splicer and reducer.-Dual rated aluminum splicer / reducer made from high strength aluminum alloy.-Suitable for use with either copper or aluminum conductors.-Electro-tin plating provides low contact resistance.-Chamfered wire entry for easy installation.-Rounded bottoms facilitates taping.-Large screw diameters insure all wire strands are held securely.-Solid center barrier prevents dissimilar metals from coming into contact.-UL and CSA listed. Specifications: -1/0 to 14 AWG. Dimensions: -Dimensions: 6" H x 3" W x 0.75" D.