Hi All

I have an oven which has telescopic rails which allows certain shelves to slide out on arms. They are now getting a bit sticky and one of them struggles to go all the way in. Was wondering what the best oil is to lubricate it.

Conscious that the oven goes up to about 300c so wondering if WD40 / 3 in 1 oil is ok at these temps or whether it will burn off. I also thought about vegetable oil.

Any thoughts appreciated

Thanks

Lee.