Zoo Max DUS301XS Wheel of Fortune Xsmall Perch 2 in diameter. Hole 0.5 inNatural and exciting. 2in Acrylic wheel can be install to your existing perch. Consist of natural sisal rope, natural pieces of wood, various acrylic pieces, vegetable leather parts. They will have fun to turn it on their perch. Use acrylic for rebuild your toys. Toy with no dye. Ideal for small birds, parakeet, budgie, parrotlets, cockatiel. Great Toy for Small BirdsEye Catching