Will this bench move around while I'm working on it?

The steel frame is designed for stability during heavy use. If you need to lock it in place, check your work area for bolt-down points or anchor it to the floor—recommend bracing to prevent any shifting during aggressive work.

Can I use this for an engine stand or as a spray-down station?

It's built tough enough for engine work. For wash-downs or wet work, the steel top will develop surface rust over time—you'll want to dry it thoroughly and wipe it down between wet projects to keep the top in shape.

What kind of casters or legs does this come with?

The bench ships as a complete assembly with legs and frame. Mobility specs aren't listed—verify the leg type and footprint before ordering if mobile storage is critical to your setup.