1、Fitment: The magnetic oil dipstick is applicable for WEN 56125i, for WEN 56200i, for WEN 56202i, for WEN 56203i, fit for WEN Inverter Generators between 1000 and 4000 watts. 2、Wide Application: Universal design measures in at M18 x 2.5, making it compatible with the majority of inverter generators on the market. 3、Function: Magnetic dipstick can help your crankcase cleanout foreign substances, preserve your inverter generator by keeping metal out of the engine. 4、Unique Design: Industrial strength magnetic tip collects metal shavings floating in your generator's oil tank, and the flame resistant O ring seals could extend generator life. 5、Fine Workmanship: Professional manufactured, exquisite workmanship with unique design, ensure stable performance and high reliability.