SATINIOR 8 Pieces Coin Ring Making Balls Monkey Fist Balls Stainless Steel Balls, Assortment of 3/ 4 Inch, 5/ 8 Inch, 9/ 16 Inch, 1/ 2 Inch, 7/ 16 Inch, 3/ 8 Inch, 5/ 16 Inch and 1/ 4 Inch