GRS Jewelers Engraving Block Ball Vise. The item "GRS Jewelers Engraving Block Ball Vise. GRS (Glendo Corporation)" is in sale since Sunday, October 16, 2016. This item is in the category "Jewelry & Watches\Jewelry Design & Repair\Jewelry Tools\Engraving Tools". The seller is "jahne44" and is located in Portland, Oregon. This item can be shipped to United States.