Column Scroll Trellis with Polycarbonate Support Blocks Garden Trellis That is Simple to Install on a Post, Wall or Fence Can Easily Be Adjusted Up To 9 Feet Long for a large size trellis. Minimum Tools Required: Cordless Drill with #2 Phillip for Self Tap Screws & Scissors Vine Plants, especially Clematis, love This Trellis, Self Climbing with minimum training Strong (tested to hold 50 pounds), Durable & UV Stable, Install and designed to leave up year round, this is a strong vertical trellis!