Pull push type, linear motion, open frame, plunger spring return, DC solenoid electromagnet. DC Solenoid Electromagnet mainly used in vending machines, transport equipment, office facility household appliance, mechanical, etc. Notice: please take the electromagnet put down gently when you install it. The screw thread can make a corresponding change according to your demand. This product is small in size, please pay attention to in the process of using electricity, so as not to damage the electromagnet.