Molex Premo-Flex Round Flat Cable (RFCs) Jumpers are available in circuits ranging from 5 to 50 and in lengths of 2″, 4″, 6″, and 8″. RFCs provide an ideal electrical connection between PCBs and eliminate the need for connectors, enabling cost savings. Molex Premo-Flex Round Flat Cable Jumpers are suitable for various applications, including home appliances, cooling systems, mobile devices, computers, hand-held ultrasound, and automotive applications.