20-Piece Counter top assortment comes with 3-Inch and 4-Inch Coarse Wire Wheels. Wheels ready metal surfaces for welding, soldering and painting. Wires are balanced to eliminate vibration. And the 1/4-Inch arbor will fit all drills. GreatNeck has been a hand tool manufacturer since 1919. Our tool brands strive to bring value in design and function. We stand behind our brands and offer an industry-leading lifetime tool promise on workmanship and materials.