LS-721 PU Chuck For Bangle Outerside Polishing

Used for bangle size 45-70mm, bangle outerside polishing use, used on jade bangle combination machine LS-706

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LS-721 PU Chuck For Bangle External Polishing
Used for bangle size 45-70mm, bangle outerside polishing use, used on jade bangle combination machine LS-706