Threaded Cross fitting covers range in diameters of: 1", 2", 3", 4", 6", and 8".  PipeGlove’s threaded Cross covers are sized to overlap the nipples on all 4 lines coming in. Simple attach 1 end of the 2 part hook and loop cover and "sandwich" around the cross connected the other 3 ends. Our wraps are engineered to also cover heat trace and fit snug.