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ASME B107.100,ASME B107.8.
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Adjustable jaw design allows tool to grip many fastener sizes.
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Knurl adjusting mechanism for quick and precise adjustments.
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Built-in tension spring stabilizes movable jaw.
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Forged chrome vanadium steel is strong and durable.
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Polished chrome head and chrome-plated body for anti-corrosion protection.
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Laser-etched SAE and mm jaw scale for easy size adjustment.
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Lightweight handle design.