I am a big fan of the SKS Rennkompressor, seriously old school being built of steel, cast iron, wood and leather. I can't leave anything alone, the factory gage was really hard to read so I fixed that and I just kept modifying the pump from that point on, it's really fun to use.
20200104_134943 by
nemosengineer, on Flickr
20160505_185437 by
nemosengineer, on Flickr
: Mike