Corfu tube diameter inside 45 mm and outside 52 mm

Corfu pipe diameter XX mm (inside), XX mm (outside). Perfectly compatible with the XXX necklace. Sold per linear meter. Correspondence of connection dimensions in mm and inch: - diameter 33 mm (inside) / 42 mm (outside) = 1 ¼ inch - diameter 40 mm (inside) / 49 mm (outside) = 1 ½ inch - diameter 50 mm (inside) / 60 mm (outside) = 2 inches