Juego de 4 piezas de cerradura y cerrojo magnéticos negros para puertas interiores

All-metal ball lock: This ball lock consists of five parts: an adjustable solid brass base, a wear-resistant elastic spring, a wear-resistant and rust-proof steel ball, a solid brass shell, and a rust-proof stainless steel plate, ensuring high quality and a long service life. Concealed operation: The brass ball lock securely closes interior doors and is virtually invisible. It is commonly used for lockable cabinet doors. Adjustable ball lock for cabinet doors: Adjustable length: Rotate the brass ball shell to adjust the length of the steel ball to fit different door panel thicknesses.