Simply these are sections of thick wall water pipe with the inside lathe skimmed to size, tapped to M6x1.0 and some Allen head bolts I had lying around - shortened and head skimmed to trim weight.
Simply these are sections of thick wall water pipe with the inside lathe skimmed to size, tapped to M6x1.0 and some Allen head bolts I had lying around - shortened and head skimmed to trim weight.