Standard screw mount clamp holds wire up to1/2'' diameter. Natural color. 50 per bag.
36-465 - 500 ft 26AWG/4 Cond Telephone Line Cord Flat Silver PVC
Color-coded stranded wire. Custom design your own modular extension cords to any length. Silver PVC jacket. 26 gauge.
21-3676 - 3/8 Inch I.D. 1/2 Inch Width Cable Clamps
21-3668 - 1/8 Inch I.D. 3/4 Inch Width Cable Clamps
21-3680 - 1/2 Inch I.D. 1/2 Inch Width Cable Clamps
I have used MCM for many years and would give high recommendation for getting the job done right.