270 BRASS BALL, MATERIAL BRASS, MATERIAL GRADE 270, OUTSIDE DIAMETER 5/8 IN, OUTSIDE DIAMETER TOLERANCE +/-0.001 IN, BALL WEIGHT 17.446 G, BALL BEARING GRADE 200, ROCKWELL HARDNESS B75 TO B87, STANDARDS ASM 4712, ASTM B134, UNS C-27000, MECHANICAL FINISH MILL, SYSTEM OF MEASUREMENT INCH, APPLICATION ELECTRICAL, FLOW CONTROL, FURNITURE, SHAPE BALL, PACKAGE QUANTITY 25