Ruko Knives RUK0184BK Shark Series Spring-Assisted Lock Folder - 4.00" 420A Black Oxide Spear Point Stiletto Blade - Blackout G10 Handle (RUK0184BK)
Product Description
Deploying an everyday carry tactical folder into high-velocity defense situations or intense utility chores demands instant deployment kinetic response and an unyielding, non-slip purchase. Traditional large folding pocket knives often suffer from slow dual-handed opening delays, or they feature slick metallic handles that become dangerously slick when exposed to rain, mud, or sweat. The Ruko Knives RUK0184BK Shark Series Spring-Assisted Stiletto masters these mechanical tactical requirements. Fusing the iconic profile of a classic Italian tactical stiletto with a rapid modern spring-assist mechanism, this full-sized blackout tool is engineered to deliver zero-fail operational speed paired with rugged composite handle safety.
The structural foundation of this Shark Series folder centers on a sleek 4.00-inch spear point stiletto blade precision stamped from 420A stainless steel. Highly valued among tool designers for its exceptional impact toughness and resilient resistance to structural snapping, this alloy is optimized to comfortably withstand intensive piercing stresses and general slicing tasks. The blade is treated with an ultra-durable, non-reflective matte Black Oxide coating that eliminates glare in low-light environments while helping shield the steel against moisture. A single pull on the integrated blade flipper tab engages the internal high-tension spring-assist kinetic engine, firing the blade straight out into an authoritative lockup within a fraction of a second.
Functionally, the RUK0184BK provides an incredibly secure hand-filling purchase driven by its 5.00-inch blackout handle framework. The chassis features solid, textured G10 fiberglass laminate scales over rigid steel liners, uniquely machined with subtle linear traction lines that channel sweat away and prevent slipping under intense torque. Dual structural hilt guards integrated into the blade tang protect your indexing fingers from moving forward onto the razor-sharp edge during high-force piercing movements. The knife operates on a heavy-duty internal steel liner lock bar that anchors the blade safely, finished with a rugged, black-finished deep-carry stainless steel pocket clip optimized for tip-down right-hand transport.
*Tactical Bench Notes & Field Care Guidance:*
The Ruko Shark Stiletto is engineered for high-velocity kinetic spring deployment, meaning basic routine cleaning will sustain its smooth, lightning-fast opening rotation over thousands of cycles. Avoid packing the internal spring cavity with heavy grease or firearm lubricants, which act as a magnet for pocket lint and abrasive trail dust. Periodically blow compressed air through the open liner lock channel and pivot washers to clear away trapped debris, then apply a single drop of high-speed dry-film folding knife lubricant directly to the torsion spring interface to maintain its snappy factory acoustics.
Key Features
- **Rapid Spring-Assisted Deployment:** Outfitted with a high-tension internal kinetic spring engine that snaps the blade open instantly when the manual flipper tab is engaged.
- **Textured Blackout G10 Handles:** Crafted with 5.00-inch premium G10 fiberglass laminate scales that deliver superior impact durability and a high-traction, slip-resistant grip.
- **420A Stainless Steel Blade:** The 4.00-inch spear point stiletto blade provides high micro-grain structural toughness to resist cracking or chipping under heavy piercing load.
- **Matte Black Oxide Hard Coat:** Coated in a non-reflective black oxide protective finish that minimizes cutting drag, hides superficial trail scuffs, and lowers glare.
- **Dual Protective Blade Hilts:** Features integrated symmetric guard hilts on the blade tang that shield your hand from sliding forward onto the sharp edge during heavy pressure.
- **Heavy-Duty Liner Lock Chassis:** Built over rigid stainless steel internal liners with a reliable locking bar that prevents accidental blade closure under downward loading.
Product Specifications
- Brand: Ruko Knives
- Line: Shark Series Tactical Assets
- Model: Shark Assisted Stiletto Blackout
- MPN: RUK0184BK
- UPC: 770583985987
- Blade Length: 4.00 Inches (101.6 mm)
- Handle Length: 5.00 Inches (127.0 mm)
- Overall Length: 9.00 Inches (228.6 mm)
- Blade Material: 420A High-Carbon Stainless Steel
- Blade Hardness: 54-56 HRC
- Blade Style: Stiletto / Spear Point
- Blade Grind: Flat / Sabre Grind
- Blade Finish: Black Oxide Coating
- Edge Type: Plain Edge
- Handle Material: Textured G10 Fiberglass Composite Scales
- Handle Colorway: Tactical Blackout
- Frame Architecture: Solid Stainless Steel Liners
- Lock Type: Internal Steel Liner Lock Mechanism
- Deployment System: Spring-Assisted Flipper Tab / Dual Thumb Studs
- Hardware Architecture: Stainless Steel Torx Fasteners (Blacked Out)
- Pocket Clip: Stainless Steel (Tip-Down, Right-Hand Side Carry Only)
- Weight: 4.80 oz (136.1 g)
