50mm for PX200 PX100 PX80 PMX200 PXC300...
55mm for K414 K416...
60mm for MDR-PQ3 ATH-ES55...
65mm for FC707 SJ1 SJ11...
70mm for ATH-SJ5/ES7...
75mm for k518 k518DJ k518LE k81 SJ33 SJ55...
For example: 75mm means the earpads outer diameter is 75mm
The Price for 1 pair