BGS Technic - Adapter 1/2 "inside to 3/8" outside (Miscellaneous)
is reduced 1 / 2F to 3 / 8M but its advantage is the outer sections 6 that can fit on a pipe wrench to eye or quick-hook without démunir the catch and can thus hold the nut with a sleeve by unscrewing from the other side with a further sleeve at the
