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"Kairos" combat, counterterrorism knife in 440C high chromium stainless steel blade, 304 stainless steel bolsters, G10 fiberglass/epoxy composite handle, hybrid tension-locking sheath in kydex, anodized aluminum, stainless steel with HULA, LIMA, and UBLX
"Kairos" Counterterrorism Knife

Sadr

"Sadr" linerlock folding knife, obverse side view in 440c high chromium cryogenically treated stainless steel blade, hand-engraved 304 stainless steel bolsters, anodized 6AL4V titanium liners, Biggs Jasper Gemstone handle scales, leather pouch sheath with stainless steel snap

"Sadr" linerlock folding knife, handle detail showing anodized and fileworked titanium liners and front bolster and pivot detail
"Sadr" Fine Handmade Liner Lock Custom Folding Knife
  • Type: Liner lock folding knife
  • Size: Length overall open: 6.6" (16.8 cm), Length overall closed: 3.8" (9.7 cm) Blade Length: 2.75" (7.0 cm), Blade Thickness: .145 ( 3.7 mm)
  • Weight: Knife: 3.9 oz. (111 grams), Sheath: 2.0 oz. (57 grams)
  • Blade: 440C High Chromium Stainless Tool Steel, Cryogenically Treated, Hardened and Tempered to Rockwell C60, hollow ground, mirror polished
  • Bolsters: 304 stainless steel, hand-engraved
  • Liners: 6AL4V Titanium, fileworked, anodized blue
  • Handle: Biggs Jasper Gemstone, Oregon, USA
  • Hardware, Fasteners: 304 (18-8) Stainless Steel
  • Sheath: Pouch style, leather with stainless steel snap
  • Knife: Sadr (pronounced "sadder") is named for a star in the constellation Cygnus, and is in a complex region of the Milky Way, surrounded by reddish interstellar clouds, excited by the glow of ultraviolet hot stars. Sadr lies at the center of the constellation of the northern cross. This is a custom linerlock folding knife, made for a great client. The blade is 440C high chromium martensitic hypereutectoid stainless steel, and I've treated this blade for the best possible condition with deep cryogenic processing, extended time soak for maximum precipitation of sub-microscopic eta-carbides, followed by triple tempering with deep cryogenic soaks in between for the highest toughness, wear resistance, and highest corrosion resistance possible in this steel. Every piece of hardware: the pivots, the machine screws, the hidden and exposed parts are all stainless steel or titanium, offering the highest strength and corrosion resistance possible. The blade is mirror polished, with an accurate, serviceable hollow grind, and a thin cutting edge backed up with plenty of spine for support. The spacer-spine is also hardened, tempered, and cryogenically treated, and is fully fileworked for handmade distinction, even on the inside which is polished and finished. The knife is bolstered in 304 high chromium, high nickel austenitic stainless steel, for zero care, and I hand-engraved a masculine, bold and deeply relieved pattern to compliment the handsome handle scales and design. I made the liners in 6AL4V high strength titanium alloy, and chemically anodized them for a tough, wear and corrosion-resistant surface of deep blue, and they are fully fileworked with a tight, close and meticulous pattern. The handle scales are Biggs Jasper gemstone, a very tough, hard, and durable gem of cryptocrystalline quartz, polished to a vitreous luster, smooth and comfortable. The jasper has bold areas of browns in layers almost like petrified wood, but with a few small areas of white crystal. The gemstone scales are secured with bedding and stainless steel machine screws for a permanent, solid fit. The knife feels compact, dense, and tough in the hand; the lockup is secure and tight; the detent pulling and holding the blade closed operates smoothly and evenly.
  • Sheath: My client asked for a simple working sheath, so I made a wet-formed pouch style sheath in 5-6 oz. thick leather shoulder, hand-stitched with polyester and dyed a medium brown to match the knife. The flap is secured with an all-stainless steel dot snap for permanence and strength; the entire sheath is sealed with acrylic.
  • A handsome knife, tough and beautiful in masculine form.

Thanks, J. C.!

Jay,
A simply beautiful knife! Almost scared to wear it!! I’ll be proud to pass this to my son, one day!!
Thanks again for your fine work! I couldn’t be happier!

--J.


Please click on thumbnail knife photos
"Sadr" linerlock folding knife, reverse side view. Sheath back fits standard belt sizes, is hand-stitched with polyester for strength and durability "Sadr" linerlock folding knife, spine edgework, filework detail. Spacer/spine and titanium liners are all fileworked "Sadr" linerlock folding knife, inside handle detail. Anodized 6AL4V titanium liners are fully anodized and meticulously fileworked. "Sadr" linerlock folding knife, inside handle detail. Even spacer/spine is polished and fileworked on the inside of the handle for high detail "Sadr" linerlock folding knife, obverse side handle detail. Biggs Jasper gemstone is very hard and tough, with beautiful patterns in browns and crystal "Sadr" linerlock folding knife, reverse side handle detail. Bolsters and hardware are 304 stainless steel, hand-engraving pattern is bold and masculine complimenting the gemstone handle "Sadr" linerlock folding knife, handle butt detail. Polished jasper gemstone handle scales are smooth and glassy "Sadr" linelock folding knife, folded view. High detail throughout this folding knife, in this 3.5 power enlargement "Sadr" linerlock folding knife, 3.5 power enlargement, spine spacer detail. Spacer/spne is fully cryogenically hardened and tempered, just like the blade "Sadr" linerlock folding knife, folded inside handle detail. Knife has smooth and even detent pulling and holding blade closed, solid lock when opening "Sadr" linerlock folding knife obverse side view, folded closed. Handle scales are mounted with stainless steel machine screws and bedded to the liners "Sadr" linerlock folding knife. Handsome and compact, and custom folder with unique character. "Sadr" linerlock folding knife, in pouch. Sheath is 5-6 oz. leather shoulder, dyed and sealed, dot snap is all stainless steel for durability and zero care "Sadr" linerlock folding knife, maker's mark detail. 440C high chromium blade is cryogenically treated for optimum condition, hard, corrosion resistant, wear resistant, and tough

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