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Upright
Multi-Sheave Block
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4NR-20855R
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Blocks
may be mounted upright or underhung. |
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Blocks
with three or more sheaves are constructed
with the base angle legs turned in to allow
close mounting centers. Base angles are
notched to clear ropes and cables. |
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Nylon
or ASTM Class 30 grey iron sheaves. |
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17mm
sealed precision ball bearings. |
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12
gauge side plates located outside and between
sheaves. |
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