Spacer tube, tube spacer, sst spacer Specification:OEM specificaition Material:stainness steel Spacer tube, tube spacer, stainless steel tube, sst spacer,1. Specification:Length&OD, wall thickness per ... instrument pipe fittings; high precision CNC turning parts; high safty parts Main products:Precision metal parts like various nuts,screws,axes,bolts,caps ...