Here is a Dog-leg jack with 154cm Stainless Steel blade. Check out the carbon fiber scales. Pull on this one is about a 5.5. It's flush in all positions, the blade is centered well and there's no light between the spring and liners. It is wickedly sharp.

Product Details:
Overall: 3 3/4"  
Steel  1/8" 154cm Blade and Spring
Case: Pouch
PRICE  Sold plus shipping pay-pal preferred