CR 39 UC -/+ 0.00 ~ 6.00 -/+ 0.00 ~ 6  --- -/ + 0.25 ~ 2.00 -/-  0.00 ~ 6  --- 0.25 ~ 2.00 per month 50, 000 pairs, if the lot is available from ready stock immediate shipment any assortment and grade. Send us your quotation FOB n CNF Karachi