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3/8" Side to side
adjustment
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Twist lock system: insert
block thru the slot and twist to lock
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Twist lock system: eliminates
having to side dies down from the top
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Thrust bearings in both inner
& outer blocks
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Fits 1 1/2" to 2
1/2" slot widths
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Fits 3/4" to 1 1/2"
journals
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Sealed roller bearings or
needle bearings
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Back block spring loaded
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Front block equipped with
adjusting knob and locking knob
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Both blocks hardened black
anodize, eliminates wear and gauling
