star cnc machine inside

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Comparison : Item # EM1116SRJ, ER-COLLET HOLDER ER11M
Item # EM1122SRR, ER-COLLET HOLDER ER11M
Item # EM1622SRR, ER-COLLET HOLDER ER16M
Item # EM1622SRR-AK1, ER-COLLET HOLDER ER16M WITH RADIAL COOLANT
Item # EM1622SRR-c, ER-COLLET HOLDER ER16M