Nylon rollers are the better of the 2 styles of rollers

The spacing for setting these posts is half the opening

Cloud-based security: Keeps data protected and safeguards residents’ information

Recommended for factory installation

We recommend that you to glue your caps onto your post

2" x 3-1/2" x 72" x .095 Blank Hollow Utility Rail For Vinyl Fences Latches Nylon rollers are the betterThis rail is used on a vinyl fence. This is a 2" x 3 1 2" x 72" x . 095 Blank Hollow Utility Rail. Long lasting Impact modifiers for strength UV Light Resistant Self Extinguishing Easy care & upkeep Rails must be cut down to lengths shorter than 8' to ship UPS. This rail is cut to customer specifications, please note your desired length during checkout, which will reduce your shipping costs. Rails 8' or shorter will be sent via UPS.