Meyer Replacement ST90 7.5' Steel Cutting Edge 3/8 http://www.amazon.com/dp/B008RMUM7Y?tag=bungasapi-20 Feature * Meets or Exceeds OEM Quality * 33% Thicker Than Oem Version * High Carbon Steel * Fits All Meyer 7.5 This cutting edge measures 3/8 inch thick by 6 inches tall by 90 inches in length. It fits the Meyer ST90 http://www.amazon.com/dp/B008RMUM7Y?tag=bungasapi-20