Road Power 1810-2  3/8-Inch Copper Battery Lugs, Copper, 2-Pack Made of 100% Copper 3/8-inches Hole Used with 4-6 Gauge Battery Cables Replace the Lug End of Battery Cable in Event of Corroded Lug 2-Pack of quality battery cable lugs Top Post, Side Terminal, Switch to Starter, and Lawn & Garden Battery Cables