Stackable Battery Lugs with 4 Pads - Double Barrel (Splices) 100% Electrolytic Copper to ensure the highest conductivity. Tin Plated for corrosion resistance. Color coded. Dual crimp identifies and matches cable size. Extra heavy wall thickness for extreme conditions. Can be crimped or soldered. USE THESE Stackable Battery Lugs with 4 Pads - Double Barrel (Splices) TO CONNECT BATTERY'S IN PARALLEL FORM FORMATION . GET THE ULTIMATE TERMINAL NATION AND EACH OF OUR DOUBLE BARREL SPLICES HAVE 3/8 STUD HOLE FOR EASY BATTERY SETUP.. ALSE BE SURE TO CHECK OUT OUR OTHER ITEMS: SOLDER PELLETS, DUAL WALL HEAT SHRINK, CABLE , CABLE LUGS, AUTOMOTIVE WIRE THANK YOU FOR CHECKING OUT AND STOPING BY AC/DC WIRE AND SUPPLY