Push-pull Type Solenoid: 1.External size:20*16*13mm ... 300-500mm HG 4.life cycle:1,000,000 cycles Push-pull Type Solenoid, frame solenoid, 12V DC :1.External ... .insulation resistance:100ohm6.insulation class:b f h .type:push -pull type Our company believes the principle: the best quality ... call us, we will work with you to arrange for return and replace or refund. Push-pull Type Solenoid, frame solenoid, ...