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https://www.amazon.com/SHARS-Adjustment-Collet-Chuck-202-1029/dp/B07Y3DPPLW from www.amazon.com
$159.50 30-day returns
SHARS 5" ER40 Zero Set Fine Adjustment Collet Chuck .0005" TIR + Semi-Machined 1-1/2-8" Back Plate New, Machining Required 202-1029+7046 L - Amazon.com.
Works best on light cutting operation with easy to cut material such as aluminum or alloy steel; 4 Fine adjustment screws on the side can be used to true up ...