To clarify some confusion on thimble sizes:
If cable clamps are used to terminate guy wire, the thimble size is 1/16"
larger than the wire.
If preform grips are used, the thimble size is 1/8" larger than the wire.
If 4000lb Phillystran is used with Preform Grips, the thimble is 7/16".
If 6700lb Phillystran is used with Preformed Grips, the thimble is 1/2".
If Phillystran is used with cable clamps (highly not recommended) use one
size smaller than above.
In all cases the heavy duty version of the thimble is used.
Hope this helps all. 73 de K5GW, Texas Towers, 1 800 272 3467
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