... fiberglass sleeve coated with PVC resin, with very good flexibility and dielectric features; it is widely used as insulating and protection material ... for motor and electric appliance.SpecificationDiameter: 0.5mm---40mmBreakdown voltage: 1.5kv, 2.5kv ... , blue line and all kinds of colorDiameter : 0.5mm, 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 7mm, ...