These are nylon reinforced with glassfibre for strength
Rutland Polyamide Strain Insulator (Pack of 60)
<p>The Rutland Polyamide Strain Insulator is suitable as corner and strain insulator impermanent fencing (plain wire). Made from a polyamide reinforced fibre-glass, it is the ideal choice for use with steel wire, poly wire, and rope. It is resistant to especially high strains. Included is a...
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