How much does this cost to the nearest dollar?

Sliding Door Closer for barn Door (Medium-Heavy Duty Model up to 132lbs Doors), Self Closing, Complete System with 86 Rrail (UP to 132LBS Doors)
is a sliding door closer/hardware sophisticated and eco-friendly SELF-CLOSING device for sliding doors, utilizing cutting-edge control mechanism with durable spring technology. Complete system with pull-spring device, damper gear, 86 rail, door hangers and door stopper. Simple and smart design, easy to install. Both the door closing speed and damper force are adjustable. No electric power is required, thus works even during the power outage. Adding SELF-CLOSING & DAMPER features to your sliding doors. Suitable for the sliding doors up to 48 in width and 132lbs in weight

Price is $416.00

Price: $416