1/2 Reduced tail fitting male 40x49 with lock

Half cut tail with lock, diameter 40 mm (inside) / 49 mm (outside). male thread. There is also the half fitting with a lock. 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. Use the tricoise key (JI290) to tighten the firefighter connections.