Description Knee Rail Post Straps Galvanised knee rail post straps for 100mm (4″) fence posts. Galv finish to prevent rusting. Suitable with 100mm fence posts on knee rail fencing or also known as bumper rail fencing. Post straps can be bent around posts using a hammer to create folds and then nailed to maintain shape. Fixing the post to the bird mouth of the post in the ground. Use 50mm round wire nails to fix the post straps on.
