RV Camper Motor Home Mobile Home Recreational Vehicle Plunger Door Holder - Straight 3" Original replacement plunger style door holder. Constructed of zinc plated steel for long life. Easily installs to any RV or trailer to hold door securely open #10284 Availability: Usually ships in 3-4 business days. RV-10284Suggested List: $8.40Our Price: $6.70