Penn-Plax Rope Perch - Small Bird - 21 x 5/8 Diameter Penn-Plax Rope Perch - Small Bird - 21 x 5/8 Diameter Penn-Plax Rope Perch - Small Bird - 21 x 5/8 Diameter Penn-Plax Rope Perch - Small Bird - 21 x 5/8 Diameter