M4 Locksmith is your trusted partner for expert Locksmith Services in King of Prussia PA. Offering 24/7 ****istance, they specialize in lock installation, lockout services, car key replacement and duplication, and door lock repairs. Whether you’re locked out of your home, need a new car key, or require lock repairs, M4 Locksmith ensures prompt, professional service. With a focus on reliability and customer satisfaction, they are dedicated to providing top-notch solutions to meet all your locksmith needs.