Reply To: Distance Between Holes – Plastic Altos Recorder Forum Home Page › Forum › Recorder Makes, Models and Maintenance › Distance Between Holes – Plastic Altos › Reply To: Distance Between Holes – Plastic Altos November 23, 2021 at 4:15 pm #1512 Diana K.Participant Thank you, very helpful! Regarding the Aulos 509B (which I will check out)….do you have any thoughts on the 709W Haka regarding ease of fingering F? This reply was modified 2 years, 9 months ago by Diana K..