MroMax Aluminum Tube Straight Joint Fitting 10*2.5/10*3/10*4/10*5/10*6/10*7/10*8mm Length 300mm 1/2/4pcs Pipe Fitting Facilities
https://www.vogueparade.com/shopping/EN/200282142/1/1005001834508759/mromax-aluminum-tube-straight-joint-fitting-1025103104105106107108mm-length-300mm-124pcs-pipe-fitting-facilities//