Features:

• Six Primary Springs (black/short)
• Six Secondary Springs (silver/long)
• Color coded stripes to identify rates
• Spring rate chart available showing all possible combination's and effective primary/secondary rates.

What’s included:

• Primary Springs:
• Super Soft 3.7 lb in (2)
• Medium 7.3 lb in (2)
• Firm 9.5 lb in (2)
  
• Secondary Springs:
• Super Soft 3.5 lb in (2)
• Soft 3.6 lb in (2)
• Firm 6.2 lb in (2)