... of steel balls such as: 7/8"(22.225mm),1"(25.4mm),1 1/8"(28.575mm),1 1/4"(31.75mm), ... 1 3/8"(34.925mm),1 1/2"(38.1mm),1 ... 9/16(39.688mm),1 5/8"(41.275mm),1 ... 3/4"(44.45mm),1 7/8"(47.625mm),2"(50.8mm),60mm,2 3/8"(60.325mm),2 3/4"(69.85mm),3"( ... 76.2mm),80mm,22.125/22.325mm,25.3/25.5mm,28.475/28 ...