I have the springs 2 for a dollar plus SASE which in English means Self Addressed Stamped Envelope. Out of 12 orders, 3 with SASE, 4 with addressed envelope NO STAMP, 2 with other orders and three with just the buck. The posting asks for SASE. No more blanks please. The CNC disc comes with one spring $12.00 plus mailing. $1.00 USA Hank KN6DI