NOTE: The welding tip is to plug into the power supply, not on the reverse! Smooth soft strip USB C cable. Slim USB type c male SOURCE host source end USB type sink tips. USB type C welding bit host end direclty connected to power. Sink tip is for the device that needs to be charged slightly soft stretch thin low profile fpv usb type c cable super thin and soft ideal for small space or room USB TYPE C welding tip plugs directly into other power source such as host bit, power or PC. This USB TYPE C source or host end is straight end. USB TYPE C Basin tip, mobile cell, etc. for devices that need to be charged. USB TYPE C bits have two options: USB TYPE C at 90 degree angle. and USB TYPE C flat tip 5V, 2-3A load not for fast charging. Both USB type C tips are male tips. one male host/weld end and one male sink end. if you need other USB configurations, please feel free to contact us.