YOUR CHOICE IN QUANTITY TO GET AS MANY AS YOU NEED.     18G POSTS ON THESE WITH A 3.5MM BACK DISC.  YOU CAN CHOOSE BETWEEN A 1/4" INCH (6MM) OR 9/32" inch 7mm OR 5/16" INCH (8MM) POST LENGTH. REAL HIGH QUALITY AND fit nicely.   * Excellent Quality * * Brand New * THIS AND ALL MY JEWELRY IS NEW AND HAS NEVER BEEN WORN.  THE PICTURE DOES NOT DO THIS PIECES JUSTICE. 003 (SIZE)