Description: 【Different Set】Different options, choose acoording to your need. Set A includes a top seat core, bottom seat core, and switch. Set A includes a top seat core and bottom seat core. Switches Set includes 5 pieces switches. 【Safe Material】The electric kettle base switch is made of a flame retardant material which is for safe and reliable work. 【Replacement Parts】Replace your old parts with our electric kettle base thermostat switch coupler, ideal electric kettle parts, electric kettle accessories. Used for repairing or maintaining your electric kettle. 【Water Boiler Kettle Accessory 】Electric kettle base coupler is suitable for most house kitchen electric kettles, household electric kettles. It serves as an essential connector between your kettle and its base. 【Easy to Use】The copper contact point of electric kettle thermostat coupler has good electrical conductivity and thermal conductivity, high temperature resistance. Size Chart: Top Seat Socket Inner Hole Diameter: 15mm, 25mm Bottom Base Socket Inner Hole Diameter: 12mm, 22mm Switch: 4.6cmx2.1cm/1.81inchx0.83inch Package Includes: Set A Or Set B Or Switches Set Note: Please allow slightly errors due to manual measurement and different monitors.