No need for additional drilling, with screws, easy to install.Hardened PP plastic, not afraid of bad weather from the sun and rain, to protect the outdoor wooden fence Made of high-quality and durable plastic - the plastic cap of the fence post needs to withstand weather changes The black plastic post cover is suitable for 4X4 (3 5/8 inch) fence posts. perfect for most fence posts Our plastic cap is made of thick, durable and weather resistant plastic, which is UV resistant, heat resistant, impact resistant and waterproof Perfect decorative finish to the top of fence posts.Protects the top of the fence post from weather damage, Weight: 1.31395508152 pounds, Manufacturer: CYDZSRA