3/8x.203x.595 Standard Nylon Cable Clamps/Clamping Dia.: 3/8"/Hole Size: .203"/Contact.595" , 2500PK, Newport Fasteners, Mfr#: 336600$290.99+
Heavy Duty Nylon Cable Clamps- 3/4", White, PK 1000, Essentra Components, Mfr#: CT-NCC-075-1000-WT$145.99+
Kable Kontrol® - Nylon Plastic Cable Clamps - 1" Diameter - 100 pcs - UV Resistant Black, Kable Kontrol, Mfr#: CCUC6-100-C-BLACK$9.85+
1/2x.140x.605 Standard Nylon Cable Clamps/Clamping Dia.: 1/2"/Hole Size: .140"/Contact.605" , 2500PK, Newport Fasteners, Mfr#: 112830$216.99+