Product Description: • Material : Solid Zinc Alloy • Including Screw Special highlight: • 100% brand new product • User-friendly & convenient • Easily to install & assemble • Light in weight, portable Features: • The front door security guard is designed to help identify caller ID by only allowing the door to open approximately 2 inches. • The heavy duty steel structure makes it incredibly robust against forceful entry. • Protect your safe anytime. • After Installing, cant be unlocked from the outside but unlocks easily from the inside. • Safety lock provides reliable protection for home, hotels, hotels, doors, storage rooms, windows, etc.