Edge restraints secure the hardscape system and are a necessity in any hardscape project installation to keep it looking beautiful through the years. All paving stone applications require an edge restraint to prevent lateral movement. Paving stone edge restraints are easy to install using a common 8 inch - 12 inch landscape nails. The landscape nails are sold separately. Sold individually, per bundle, and per pallet. Each bundle of Snap Edge contains 24 pieces. Each pallet of Snap Edge contains 672 pieces. Please allow 7-10 business days for processing and delivery. Special orders may take over a month.