Longworth Style Chuck LSC10. LSC10 4 1/2" (114mm) 8" (203mm) 5 3/4" (146mm) 9 1/2" (241mm). Just rotate the plates of the Longworth Style Chuck and the soft silicone buttons close in almost instantly, and with perfect concentricity, to hold your project while you make the finishing cuts to the bottom side.
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