trial frame 1.grey colour with different PD ranges. 5pcs ... 3.high quality but low price optical trial frame* Feature1, grey color, the frame temple is adjustable2, PD adjustable range:(10specifications ... ) 52,54,56,58,60,62,64,66,68,70 ... ;3, alloy material;4. trial frame set, 5pcs each case5. net ...