The Kershaw Black Blur Serrated Folding Knife (1670BLKST) is a highly capable and widely favored tool designed for daily use and various work applications. This American-made knife combines Ken Onion’s renowned design with high-performance materials and features, making it a reliable choice for anyone needing a versatile and secure cutting instrument. Its all-black aesthetic, coupled with advanced functionality, ensures both a stylish appearance and practical utility for a wide array of tasks.
KEY FEATURES AND BENEFITS:
- SpeedSafe® assisted opening: Allows for swift and effortless one-handed blade deployment using the thumb stud for quick access.
- Partially serrated blade: 3.4-inch Sandvik 14C28N stainless steel blade handles both precision slicing and tougher materials like rope or cord with ease.
- Durable coating: Black Cerakote or DLC coating (depending on model) enhances corrosion resistance and adds a sleek, tactical finish.
- Secure grip: 6061-T6 anodized aluminum handle with Trac-Tec inserts provides a firm, non-slip hold, even in wet or oily conditions.
- Reliable locking mechanism: Inset liner lock keeps the blade securely open during use for safety and stability.
- Customizable carry: Reversible pocket clip supports both tip-up and tip-down right-hand carry preferences.
SPECIFICATIONS:
- Blade length: 3.4 in. (8.6 cm)
- Blade steel: Sandvik 14C28N
- HRC: 58-60
- Blade finish/coating: DLC coating (older models), Cerakote coating (current production)
- Blade thickness: 0.121 in. (3 mm)
- Closed length: 4.5 in. (11.4 cm)
- Handle material: 6061-T6 aluminum, Trac-Tec inserts
- Handle finish/coating: Black anodized
- Handle thickness: 0.47 in. (12 mm)
- Overall length: 7.9 in. (20 cm)
- Weight: 3.9 oz. (110.5 g)
- Included in the box: The Kershaw 1670BLKST Blur folding knife, reversible pocket clip (attached)
HOW TO USE:
- Opening the blade: Hold the handle firmly and press the thumb stud. The SpeedSafe® mechanism will engage and open the blade until it locks in place.
- Securing the grip: Position your hand over the Trac-Tec inserts for a stable, non-slip hold during use.
- Cutting with the blade: Use the plain edge for slicing and the serrated section for tough materials like rope or seatbelts.
- Closing the blade: Push the liner lock to the side to disengage it, then fold the blade back into the handle carefully, keeping fingers clear of the path.
- Pocket clip adjustment (optional): Use a Torx bit to move the clip for tip-up or tip-down right-hand carry, then tighten securely.
BENEFITS OF USING THE KERSHAW BLACK BLUR SERRATED FOLDING KNIFE (1670BLKST):
- Versatile edge combines slicing and cutting power for multiple tasks.
- SpeedSafe® assisted opening ensures rapid, reliable access with one hand.
- Trac-Tec grip inserts offer secure handling in wet or slick conditions.
- Cerakote or DLC coating provides corrosion resistance and durability.
- Compact folded length and lightweight design make it perfect for EDC.
- American-made quality supports high standards and reliable performance.
FEATURES:
- Recurved drop point blade geometry: Designed by Ken Onion for optimal slicing and piercing.
- Hardened blade steel: Sandvik 14C28N, heat-treated to balance edge retention and sharpenability.
- Dual coating options: Black Cerakote or DLC coating protects against wear and reduces glare.
- Textured handle inserts: Trac-Tec material ensures enhanced grip control.
- Precision opening system: SpeedSafe mechanism enables smooth one-handed deployment.
- Secure blade lock: Inset liner lock provides strong and safe blade retention.
- Flexible carry options: Reversible pocket clip for tip-up or tip-down right-hand carry.
- Lanyard compatible: Integrated lanyard hole for attachment or customization.
- Anodized aluminum handle: Lightweight and scratch-resistant with a sleek black finish.








