Shop for Lumber & Composites at The Home Depot. Installing in minutes, the EZ Trim Fence System is an easy solution for your fencing needs. The line post lets you extend your EZ Trim Fence System. It has two holes drilled on each side of the post, allowing for your EZ Trim Rails to simply slide into the post to make your fence longer. Makes a great border for walkways, gardens and flower beds. Made in the USA from sustainable sources.