POWERTEC BF800 Slow Speed and Long Shift Bench Buffer Polisher with Buffing Wheels, 8 Inch Buffing & Polishing Bench Grinder Machine for Metal, Jewelry, Knives, Wood, Jade, and Plastic - Amazon.com
1/4 HP Variable-Speed Mini Benchtop Grinder/Buffer with Rotary Shaft at Grizzly.com
LIBAOTML Mini Bench Grinder with Variable Speed for Polishing, Buffing, and Jewelry Making, Small Bench Polisher and Professional Lapidary Equipment for Rocks, Metals, and Gems - Amazon.com
3/4 HP Variable-Speed Mini Benchtop Buffer at Grizzly.com