10pcs/pack FC/UPC-FC/UPC single-mode simplex jumper SM SX 3.0 mm G652D fiber optic jumper FC-FC jumper (1m-20m) WholesaleBuy Directly From Shop911971057 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.