DOUBLE DRAIN PLUG ADAPTER
Could be used as a drain plug but has endless other applications.
Brass union with M14 x 1.5mm male and M10 x 1mm female threads, 19mm AF Hex and a Dowty Washer
plus a plated steel union with an M10 x 1mm male thread, 14mm AF hex. and a Dowty washer.
Combined total length 26mm.
DOUBLE DRAIN PLUG ADAPTER #DRNPLG1