Solid,dust-free,maximum protecttion.
For external wiring or where wire extraction is not necessary.
Aesthetics
Easy insertion and removal  of wire 
Smooth edges can protect your hands and wiring insulation free from burrs or sharp edges without abrasion.
Without mounting holes.
Non-slip cover
Part no with SDR is made by lead-free material eliminates health  concerns with PVC which contains lead.  

Please inquiry us for further detailed specifications.Thanks!