Dental Endodontics K File 6# 8# 15# 20# 25# 30# 35# 40# 21mm 25mm 28mm 31mm ALAN. Dental Endodontics K File 6# 8#15# 20# 25# 30# 35# 40# 6 pcs/case 21mm 25mm 28mm 31mm. Length: 21mm 25mm 28mm 28mm. Dental LED Light.
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