USAG Flex Head Ultra Compact Ratchet for use with HX Sockets (237 1/4FK) - new for 2018. This ratchet is the heart of the new RXPICO ultra compact socket system. If you don't need or want the full RXPIXCO set, you can purchase this ratchet and a few select size sockets. Ratchet has a 180° flexible/lockable head and a full metal finish. Identical to Facom R.180HX.