HellermannTyton TSR1I-14 surface raceway systems are industry preferred for their sleek designs, labor savings features, and durability. It is tamper resistant, the cover's self-locking, hidden positive latch permits quick re-entry as well as providing a secure installation of premise wire. Manufactured from UL 94V-0 rated PVC material. Fittings incorporate a minimum 1" bendradius per TIA/EIA 568-B and 569-A standards.