Fence Post Cap – 1×1 The Post Cap 1×1 is a protective accessory designed to cover the top of square fencing posts, preventing water ingress and rust. It also adds a clean finish to installations and protects users from sharp edges. • Material: Plastic or rubberized polymer • Design: Square cap for 1×1 posts • Function: Post protection and finishing • Compatibility: 1×1 steel or aluminum posts • Installation: Push-fit or tap-on • Usage: Outdoor – farms, estates, gardens • Benefits:  – Prevents rust and water damage  – Enhances safety and aesthetics  – Easy to install and replace