10,000 RPM Mini Bench Grinder and Polisher with Flexible Shaft and Accessories. Brand New. $71.98. or Best Offer. Free shipping. Free returns. R S L N K p 7 L o n s L C 0 4 o D r e d. ... 3'' MINI BENCH GRINDER POLISHER WITH FLEXIBLE SHAFT 10,000RPM. Brand New. $59.95. Buy It Now. Free shipping. 24 watchers. Y S p I C o n I s 3 S o r e Y 3 d 7.