Cheap And Discounts Singlemode Core Fiber Jumper SC APC to ST Fiber Patch Cord Jumper Cable 1M 3M 5M 10M 15M 30M Wholesale. Buy Directly From Merchant YB Optics Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.