About This Replacement Post Set: The size is 11.8 x 2.75 inches. The 11.8 cat scratch posts are better when you need to replace multiple cat trees at the same time. The set includes 4 replacement scratching posts, 4 spring cat toys and 1 teaser wand Multiple Methods of Use: Scratching posts can be replaced available for most cat trees. Two cat post replacement poles can be attached to longer using double headed screws and also can use it in cages and on walls Thickened Durable: The cat tower replacement parts are made of sturdy cardboard tube and wrapped with sisal rope, they are durable. All the posts are covered with sisal which endure each aggressive scratch Confirm Your Screw Type: The cat tree pole replacements are suitable for screws with a diameter of 8 mm (M8). Please make sure your cat scratch post or cat tree is suitable for M8 type screws before purchasing Protect Furniture: Using cat scratch pole replacement allow cats to sharpen their claws, help their nails stay healthy, cat scratch posts can protect furniture from cat scratches and damage, allowing cats to play and have more fun Easy to Install: You can easily attach the replacement posts for cat towers to your cat tree using only a screw. Make your own DIY cat scratching post for your cat. If you have any questions, please feel free to contact us Overview Target Species : cat, small cat, kitten, kitty Product Dimensions : 11.8"L x 2.75"W x 2.75"H Breed Recommendation : cat, small cat, kitten, kitty, pet Specific Uses For Product : Scratching, indoor Recommended Uses For Product : Indoor