Nylon

Nylon round spacers are a good insulator and has a surface smoothness which will not fray the insulation of wires that rub against it.

Select Outer Diameter
1/2"
One Half - Round Standard Spacers - Nylon
1/4"
One Quarter - Round Standard Spacers - Nylon
3/16"
Three Sixteenths - Round Standard Spacers - Nylon
3/8"
Three Eighths - Round Standard Spacers - Nylon
5/16"
Five Sixteenths - Round Standard Spacers - Nylon