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Benchmade 158BK CSK II

Benchmade 158BK CSK II

Readers may recall that I tested a Benchmade Rant 515 drop point, fixed blade recently. The knife I’m looking at – the 158BK CSK II to my eyes is similar in many ways apart from the blade length. As the name suggests this is an all-purpose field design that is perhaps more aimed at service personal. However, there are shooters out there who appreciate something larger too.

I really liked the Rant and this in many ways is more of the same. The blade is a flat ground, 6” clip point made from 1095 carbon steel with a hardness of 57-60HRC. In keeping with its ethos it’s black powder coated to doubtless resist corrosion.


It’s a solid build with a thickness of 0.180”, which is maintained at the spine for 4/5th of its length, so no problems there. The handle is as the Rant. Made from a rubber-like synthetic called Santoprene and moulded on to the tang and shows a short half guard with heavy checking on the sides and cross cuts on the top and bottom. The shape flares out in the centre section to fill the hand with a low stop at the rear that in conjunction with the guard helps to locate the grip. At the back end is a brass-lined lanyard hole.

I would consider this a medium/large build by British standards given it’s 10 ¾” long and weighs 7 ½ oz. Definitely too big for some, but although I like a blade at around 4” I had no problems with this at all. Balance is as you might expect is a little nose-heavy, but not that much of an issue!

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The clip point style is angled enough for getting into tight areas and the extra weight/heft does offer good leverage and cutting ability for bigger chores too. So if you like a medium/large build that’s tough and able this knife is well worth a look.

Better Leather

My one moan about the Rant was the sheath’s belt loop was a bit skimpy; no such worries on the 158BK. The design is blocked leather with rivets at critical points backing up the stitching. Retention is by a strap and press stud around the hilt with a leather lace included for the lanyard hole if you want belt & braces. There’s also another at the bottom if you want to tie it off around your thigh, or lash it to your gear.

Integral is a 2” belt loop and at the rear a synthetic, QD, MOLLE® sheath Malice clip. This allows it to be mounted on any vest or gear that uses this flat loop attachment system. In the field I use a Maxpedition Malaga Gear Slinger pack with MOLLE points and find it a great way to carry a knife ready to go, without all the hassle of it being on your belt.

Overall a tough and practical design, if perhaps a bit on the larger side.

For: Tough and strong, no nonsense field knife
Against: Might be too big for some, plus not everyone likes the military look
Verdict: If a larger blade floats your boat, then well worth consideration

  • Benchmade 158BK CSK II - image {image:count}

    click on image to enlarge

  • Benchmade 158BK CSK II - image {image:count}

    click on image to enlarge

  • Benchmade 158BK CSK II - image {image:count}

    click on image to enlarge


  • So apparently someone chipped this knife quite badly while chopping limbs off a tree,others have also complained about this happening while others rate this blade very highly.I own a CSK2 so I will not be using it as a chopper ,have others blades designed for this anyway.I actually rate this blade quite highly and don't think bench made should have discontinued it or replaced it with something similar.Almost the same design as the cold steel SRK but the SRK is stainless and the swedge is thinner I own both and haven't decided which one is best yet both have thigs about them I like.

    Default profile image
    Paul Cunningham
    07 Jun 2015 at 01:03 AM

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