Sleek Tactical Ergonomics, High-Performance Swedish Steel

The Ironfly Syperfly (Model IFVF03BK) is a stylish, highly capable everyday carry folding knife engineered for users who value premium blade materials, lightweight ergonomics, and modern design aesthetics. Built to tackle a wide variety of daily cutting tasks and outdoor applications, the Syperfly provides an outstanding balance of full-sized reach, smooth mechanical operation, and pocket-friendly balance.

At the core of this folder is a substantial 3.74" blade forged from Swedish Sandvik 14C28N stainless steel, professionally heat-treated to an aggressive 60–61 HRC. Celebrated for its exceptional fine-edge toughness, high corrosion resistance, and ease of resharpening, this steel ensures dependable cutting performance under continuous use. The blade features a clean, low-glare satin finish that highlights the geometric grind lines while helping protect the steel during daily chores. The handle is constructed with lightweight, ergonomic G10 scales in a black colorway, textured to ensure a secure, slip-resistant grip in all hand positions. Supported by a dependable internal steel liner lock mechanism, the Syperfly delivers smooth, fluid manual operation and rock-solid lockup safety.

Product Dimensions

• Blade Length: 3.74" (95.0 mm) [3.38" / 86.0 mm Cutting Edge
• Overall Length: 8.58" (218.0 mm)
• Blade Thickness: 0.125" (3.2 mm)
• Weight: 4.69 oz (133.0 g)

Features

• Blade Material: Premium Sandvik 14C28N Stainless Steel (60–61 HRC) delivering high corrosion immunity, excellent edge stability, and superb impact toughness
• Blade Finish: Refined Satin treatment highlighting the blade geometry while providing a tactical, low-reflection appearance
• Locking Mechanism: Robust steel Liner Lock assembly calibrated for safe, single-handed operation and reliable mechanical lockup
• Handle Material: Durable, high-traction G10 scales in a black finish, sculpted for ergonomic comfort and weight reduction
• Everyday Utility: Full-sized grip profile designed to offer precise control for daily cutting, outdoor tasks, and collection display
• Model Code: IFVF03BK
• Brand: Ironfly