China Factory Direct Sales Professional Optical Ophthalmic Equipment Optometry Titanium Trial Frame – Each set includes 5 trial frames. – Each frame has fixed PD. – There are 10 PD options (52,54,56,58,60,62,64,66,68,70), please choose the PD’s you prefer. – Grey color only. 1lot=5pcs,Please be sure to leave us message to list the PD’s you want, if you forget it we will send default set(58 60 62 64 66) to you. Arrange 52-70mm Packing size 18*26*5cm Gross weight 0.8kg/5pcs Warranty 18month