Prestini Kangaroo Sax Pad Set For Selmer  Mark VI, Tenor  Saxophones. Plastic Resonator Black Kangaroo Leather. Thickness is from 4.2mm to 4.4 mm. The Sizes are the following. Manufactured in the United States. 

2- 52.0 mm

1- 48.0 mm

1- 44.0 mm

3- 42.0 mm

2- 40.0 mm

1- 38.0 mm

2- 36.0 mm

1- 34.0 mm

3- 32.0 mm

1- 23.0 mm

1- 20.0 mm

5- 18.0 mm

2- 9.0 mm