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Arm and body made from ZA-12 alloy; machined steel post; solid brass clamping knob |
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10" post, 8" clamping capacity, 8" throat capacity |
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Retrofit shorter hold-down post available separately; 5-1/2" long, provides about 4" of clamping capacity |
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With arm free to pivot independently, all levered forces are exerted downward, without any losses due to horizontal slippage from canting action of hold-down post |
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Clamping force is infinitely variable by tightening clamping knob |
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Fine barb-shaped grooves on post resist upward forces |
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Patented |