Preserve your inverter generator by keeping metal out of the engine, Industrial-strength magnetic tip collects metal shavings floating in your generator’s oil tank, Machined to fit the WEN Inverter Generators between 1000 and 4000 watts (check model number compatibility below), Universal design measures in at M18 x 2.5, making it compatible with the majority of inverter generators on the market, Fits the WEN 56125i, WEN 56200i, WEN 56202i, WEN 56203i, WEN 56225i, WEN 56235i, WEN 56310i, WEN 56310i-RV, WEN 56380i, WEN GN400i, WEN DF400i, Yamaha EF2000iS, Yamaha EF1000iS, Generac IQ2000, Powerhorse 42411 and the Predator 2000