Description
This is the Viper Knives Swayback Jack, has Marble Carbon Fiber handles and Titanium liners.  The blade steel is M390 and finish is Satin.
*Our opinion:  The pull is a 6.  The Viper effort on this run as compared to their entire catalog is 8. Action (walk) is 4 on a scale of 1-5, with 5 being gator snap. Spring Pressure is 2 lbs.
Maker : Viper Knives
Handles : Marble Carbon Fiber
Factory ID : VPCK0616MCF
Pattern : Swayback Jack
Condition : New/Mint
Blade Steel : M390
Steel Hardness : 59-60HRC
Liners : Titanium
Bolsters : Titanium
Blade Type : Wharncliffe
# Blades : 1
# Backsprings : 1
Action (1-5) : 4
Spring Pressure : 2 lbs
*Pull (1-10) : 6
Closed Length : 3 5/8 inches
Longest Blade : 2 7/8 inches
Longest Sharp : 2 5/8 inches
Overall Length : 6 1/2 inches
Weight : 2.18 ounces
Half Stops : Yes
Factory Box : Plain
Blade Finish : Satin
Country : Italy
*Factory Effort : 8
4 out of 5 Awesome quality
Flounder1 (verified owner) –
My only complaint is when knife is closed if you rub finger over the blade tip area the tip catches on you finger skin and if not careful could cut your skin. I will be careful. Otherwise an awesome knife. Great materials and workmanship.
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4 out of 5 Great Knife
J. Woodend (verified owner) –
I agree with the five star reviews. This is a great knife. The scales are beautiful to my eyes. Fit and finish are great. M390 steel is great. Why not five stars from me? I’ve got beaucoup pocket knives, and I’m an old guy who is looking for the perfect EDC for my needs. That means it should be under 2 oz. with .08 inch blade stock, and a thin edge. This knife is close, but no cigar. That is the only thing that keeps it off the “perfect” list.
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