Insulated Battery Power Posts RED AND BLACK set (3/8 X 16 thread Includes 10 lugs) Red and Black Posts for (POS/NEG) Heavy Duty 3/8" lugs Lugs: (4) 10ga, (2) 8ga, (2) 4ga, (2) 1/0ga Great for custom car stereos, race cars, power inverters, solar etc