Sprocket ratchet wrench. By Sek Austria. 8:51 video:
https://www.youtube.com/watch?v=Mc_lWX_4gCw
Previously:
https://www.homemadetools.net/forum/...642#post159271
https://www.homemadetools.net/forum/...891#post156514
https://www.homemadetools.net/forum/...367#post154514
https://www.homemadetools.net/forum/...109#post153582
https://www.homemadetools.net/forum/...995#post153125
https://www.homemadetools.net/forum/...771#post152211
https://www.homemadetools.net/forum/...424#post146795
https://www.homemadetools.net/forum/...807#post144124
https://www.homemadetools.net/forum/...833#post129268
