The door knocker is mainly used by the public security armed police in the execution of tasks, when they break the door (knock the door). The product uses its own weight to increase the impact force and break the structural barriers such as doors and windows. The product design conforms to ergonomics, has reasonable structure proportion, and is comfortable, durable, beautiful and generous.
Products are divided into 30 pounds, 35 pounds, 50 pounds of specifications, 50 pounds can be single combat, but also double-force combat.
