perches in washed untreated hazel wood your birds will be able to nibble them without any problem fixed with two washers and a butterfly screw This solid natural wood perch can be pecked by your bird without any danger, because it is an untreated wooden perch . On this hazel wood perch, your parakeets or other birds will have the impression of being in nature dimension diameter of the branches of 2 cm and 1 cm length 33 x 14 cm