The N080-D25-2M-WH comes with 20 sets of white two-meter raceway wiring duct - 20 bases and 20 caps. The PVC raceway securely encloses your network or other cabling, protects it from damage, and keeps it neat and organized. Self-adhesive tape fastens the bases to any desired surface. The caps slide securely into the channel, locking it in place.