50Pcs Dental Ceramic Bearing Ball Using For NSK High Speed Handpiece Feature: Ceramic Bearing Ball Using For NSK Dental High Speed handpiece Package Including:5Pcs Bearing Balls Model：SR144TL Size：6X3X2mm Manual measurement, please allow error in 0.1-0.5mm ! Feature: 1 ceramic beads bearing heat reduces, longer service life 2 high temperature and high pressure sterilization 3 fast, sound 4 black holder, imported ceramic 50pcs totally.
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