Wide range of applications: Due to years of rain erosion and damage caused by lawnmowers and other yard maintenance equipment, wooden posts appear at the bottom of the foundation, which will make the bottom fragile to rot and break, adjustable bollards can be used for mailboxes, fences, swings, deck railings, Log houses and other wooden posts. Waterproof, anti-rust, the surface is sprayed with high-temperature powder texture baking paint, which can be firmly adsorbed on the surface and scratch-resistant, beautiful and durable, and will not be scratched like ordinary paint. High Adaptability: This post protector can be freely and flexibly assembled, each four L-shaped pieces overlap design, it can be installed on any post and rectangular post with a diameter within the range of 3.3-6inch, you 't have to worry about the assembly on the post There will be a space or exceed the actual size of the assembly, it will fit snugly to the wrapped upright. Dimensions: (L)5inch x (H)3.5inch, the diameter of the column that can be installed: 3.3-6inch (square or rectangular column). Easy to install: The kit includes all accessories, screws and drill bits, ready to install immediately. 1. Overlap the L-shaped steel pieces to wrap the uprights, 2. Use an electric drill to drill preset holes in the overlapping holes of the workpieces, 3. Drill the hex screws into the wood column to complete the installation. Colour:Black Material:stainless steel Package Contents: 2 * post protectors 1 * Screw tool Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.