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Belt-jack instant belt tightener is designed to set belt tension and help align pulleys on all belt driven units includes blower motors, compressors, transmissions and automotive components


  • Heavy duty 3/8-16 thread
  • Opens from 4 ½" to 15" with extender
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Dimensions: 6" x 0.5" x 0.5"
Weight: 0.6 lbs.
Thread: 3/8-16
Belt-jack instant belt tightener

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