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Rockwell case hardened 56-58 steel
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Sealed ball bearings
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Excellent for challenging outdoor environments
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Built for to ⅜, ½, ⅝, ¾,” diameter cable
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NFPA 1983-2012 Section 7.6.5.4 Pulley Performance Requirements- General Use
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Minimum 3 sigma breaking strength (3σ MBS) of not less than 36 kN (8,093 lbs)
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Independent test rated to 19,000 Lbs.
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Tested to NFPA 1938-2012 Class G, exceeds ANSI and OSHA standards
SR71-B
$163.20Price