The internal rotational brake system lets the user choose the amount of rotational resistance from free to. Its low profile is suited for microscope work. The item "Mini Engraving Ball Kit Jewelry Equipment Block Ring Diamond Stone Setting Tool" is in sale since Sunday, September 19, 2021. This item is in the category "Jewelry & Watches\Jewelry Design & Repair\Jewelry Tools\Engraving Tools".The seller is "outlets-plus" and is located in Shenzhen. This item can be shipped worldwide.