1: Racing wheel lug Nuts are made of steel which much stronger.2: 20 Piece Set, 1 Lock nut socket3: Size: M12x1.5 & M12x1.254: Length: 40mmM12*P1.25: Nissan, Subaru, SuzukiM12*P1.5: Toyota, Mazda, Honda, Buick, Hyundai, Chevrolet, FordCUSTOMER'S LOGO IS ACCEPTABLE!