... 3.Tube length:40mm to 120mm 4.With or without check or head part 1/4" air conditioning copper ... 8", 1/4", 5/16", 3/8";2.Available tube length: 40mm,50mm, 60mm, 70mm, 80mm, 90mm, ... for refrigerator,air conditioner,and auto air conditioner industries .4.Tube can be soft or hard,tube length.5. ... with or without check,with without head part.Pictures: 1/4" air conditioning copper access ...