1.The cat scratching post is suitable for screws with a diameter of 8mm (M8).Every package comes with one screw and one threaded bolt for your easy assembly.
2.Our cat scratching post products with high-quality durable jute rope materials, kittens will enjoy their play.
3.SIZE:Diameter 2.75", there are 5 lengths of 4.9", 9.8", 11.8", 14.9", 19.6" for your choice
4. Cat scratcher posts refills are made of sturdy cardboard tube and wrapped with natural sisal rope,they are durable.
13.Scratching post can be replaced and available for most of cat trees, renewing and restructuring is easy.