[Solid wood material]Cat scratcher posts refills are made of Solid wood materia and wrapped with natural sisal rope,they are durable.Mechanical winding,not easy to loose,compact and strong. Perfect for your pets having fun and keep their ..[Can be replaced]You can easily attach the cat furniture accessories to your cat tree using only a screw. Make your own DIY cat scratching post for your feline friend. Replacement pole for indoor Cat Scratching Post, refurbishment and spare..[Protect Furniture]Using cat tower replacement parts allows cats to sharpen their claws, help their nails stay y, cat scratching posts can protect furniture from cat scratches and damage, Keep your cat from damaging carpets, furniture, curtains, and more.Allowing cats to play and have more fun..Easy Assemble]The cat scratching post replacement parts is suitable for screws with a diameter of 8mm (M8). Less than 4 minutes to install.Please make sure your cat scratch post or cat tree is suitable for M8 type screws before purchasing..[ Size that Most Widely Use]- Diameter 2.75 inches, length 15.7in/40cm, adapting for most of cat scratching post.