180 mm Workhorse pettty in 52100 with octagonal handle.  The knife is convex ground, hand thinned on water stones and hand finished, with rounded and polished spine and choil. 62.5-63RC hardness.
 
Specifications  
180mm lenght  on the edge
34mm height at the heel
3.95mm spine thickness at the handle
2.15mm spine thickness half the spine
.9mm  spine thickness 10mm from the tip
Weighs 140g
 
Custom fit saya can is an option.