I have a hand full of them male /female 1/4 20 and 3/16 shaft let me look in my boxes needle bearing require a lot of attention.
Call Octura and ask for a catalog as your looking to buy. 847 674 7351 its free
NO they have no website. they do business the old school way. Rubber iso mounts help with noise. Solid is loud
I like to order from here they send what you pay for
. http://www.rocketcityracing.com/Flex-Cables_c_46.html