The current price for the JT Eaton JAWZ Rat and Chipmunk Trap is $5.52 for a single trap and $59.24 for a case of 12 traps. We offer free shipping within the continental United States.
The manufacturer does not claim that the JT Eaton JAWZ Rat trap has a rust-proof spring, but it will be rust-resistant. If snap traps like this one are used outdoors, then it should be used inside a bait station such as the JT Eaton Strongbox. You could also use the EZ Snap Rat Bait Station, which is a station that comes with a reusable snap trap inside it.