junchamp mini electric belt-sander knife-sharpener sanding machine - small bench grinder kit 7 speed adjustable power polisher diy polishing grinding tool for metal wood diy craft jewelry is up for auction in Tools & Home Improvement. The current bid is $13.13, 73% below the $48.99 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.