The Prime-Line Products U 10827 Door Blocker Entry Door Stop is a set of two satin nickel reinforcement locks suitable for security doors. Manufactured by Defender Security in China, these blocks are designed to enhance the security of your entryway. The silver finish adds a sleek touch to your home's décor while providing added protection against forced entry. Ideal for home improvement projects involving door hardware, these door blockers offer peace of mind and increased safety for your living space.