Cable Combs
Combs are what separate a sleeved cable run that looks intentional from one that looks like spaghetti with a jacket on. They hold each wire at a fixed spacing so the run stays flat and parallel across the whole length.
Darkside is the widest selection here, covering the standard cable positions and a large range of colors, so the comb can either disappear into the sleeve or deliberately contrast with it.
Alphacool Eiskamm is the aluminum option, in X4, X12, X14, X16 and X24 sizes for 4mm cable, including flat versions where clearance behind the tray is tight, in black, blue, red and silver.
Two things to get right: the comb size has to match the number of wires in that stretch of the cable, and the slot width has to match your sleeve. 4mm is the usual size for sleeved 16 to 18 AWG. Buy the comb and the sleeve together and check both against the same cable.
