Cast bronze alloy heavy duty truck system. Mount on top of poles up to 4" diameter, with a female fitting to accept a male 1 1/4" diameter NPT threaded sheave.
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2" outside diameter aluminum pulleys with 1/4" Stainless Steel Axles
- Ornament spindle thread 1/2"-13NC standard secured with a 1/4"-20 NC stainless steel set screw
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Stainless Steel sealed lubricant ball bearing assemblies
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Use with Halyards up to 5/16"
