The latest from Curtiss Knives.  This F3 Medium Spanto has Purple Anodized Ball- Mill on the Ti, Blue Ano Hardware, and a Stonewashed Blade with polished flats. 

The Curtiss Custom Knives F3 Medium Spanto. This knife design is a staple of Curtiss Custom Knives LLC!  These are full custom knives with all work and machining done in house by Dave Curtiss. 

Here are the specs:

• .160" thick Titanium Frames with a stonewashed finish standard 
• .160" thick Magnacut
• Overall thickness is about 1/2"
• Closed length is 4.5"
• Opened length is 7.75"
• Blade length is 3.50"
• Caged Pivot Bearings
• S.P.O.T. Pivot System
• Stainless Steel Hardware standard
• HRC 63-64