ITEM NAME:12V DC suction micro electromagnet spring push pull type rod solenoid magnet lj @media screen and (max-width: 600px) .mobiledesfromibay { display:block; width: 350px;.4mm Stroke Penetration Push Pull Type Mini Solenoid Electromagnet. 1 x Push Pull Type Micro Solenoid Electromagnet. Stroke: 4mm. Current: 120 mA.