Uxcell a13120300ux0149 Sucking Disc Solenoid Lift Holding Electromagnet, 25N, DC 12V, 0.25 Amp, 20 mm x 15 mm Product name: sucking disc solenoid electromagnet; model: zye1-p20/15 Type: sucked Type; material: metal, electronic parts Rated Voltage & current: DC 12V, 0. 25A; attraction: 25N Overall Size: 20 x 15 mm / 0. 8"X 0. 59"(Dia. *T); cable Length: 23 cm / 9. 1" Weight: 24G; package content: 1 x sucking disc solenoid electromagnet