This is a First threadless BB square taper axle with JIS taper. Available in 103mm, 107mm, 110mm, 113mm, 116mm and 122mm axle lengths. This works in threaded BB shells that have had there threads damaged or destroyed. The expanding sleave expands when the cupss tightened holding the BB in place. 

An external bottom bracket too like the Park Tool BBT 19.2 will install and remove the BB.

The 103mm length is now with black cups. Other lengths with coloured cups.