FOX NEW SMARTY: Folding Knife, Stainless Steel N690 Stone Washed Blade, OD Green Anodized Aluminum, Nylon Sheath – FX-503SP OD
The FOX NEW SMARTY FX-503SP OD represents a technologically advanced version of its predecessor, featuring upgrades in materials and design. Designed by Stefano De Lorenzi, this automatic knife is ideal for tactical, EDC, and outdoor use, offering versatility with a clip point and spear point blade. The N690Co stainless steel blade is coated with a stone-washed finish for corrosion resistance and durability. Its OD green anodized aluminum handle ensures an ergonomic grip, while the upgraded safety system prevents accidental blade closure, ensuring secure carrying and use.
Key Features
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N690Co stainless steel blade with a stone-washed finish for durability
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Clip point and spear point blade design for versatile cutting performance
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Advanced safety mechanism prevents accidental closure
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OD green anodized aluminum handle for an ergonomic, tactical grip
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Polished AISI 303 and AISI 420 components for strength and longevity
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Automatic blade deployment with secure locking for fast, reliable action
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Nylon sheath for safe storage and easy carry
Specifications
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Blade Material: N690Co Stainless Steel
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Blade Hardness: HRC 58-60
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Blade Length: 3.35″ (85 mm)
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Overall Length: 7.60″ (193 mm)
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Blade Thickness: 0.13″ (3.2 mm)
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Blade Finish: Stone Washed
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Handle Material: OD Green Anodized Aluminum
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Pocket Clip: AISI 420, Stone Washed
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Locking Mechanism: Automatic with Safety Lock
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Sheath: Nylon®
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Weight: 4.27 oz (121 g)
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Designer: Stefano De Lorenzi
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Country of Origin: Italy
About FOX Knives
FOX Knives is the technological soul of FOX Group. Rooted in the outdoor, sport, military, and hunting knife sector for over four decades, the company has embraced input from enthusiasts worldwide with enthusiasm. Engaging with a dynamic and competitive market, it has chosen to tread the path of researching and developing new ideas. With extraordinary versatility, it has implemented these ideas, managing a myriad of production variables with a “lean” approach. The company has infused them with the grit and personality of an ever-evolving design.
In 1977, Oreste Frati, after extensive experience in production and commercial areas, established FOX Cutlery. The professional tradition combined with the constant desire for technological innovations has built FOX Cutlery’s reputation as one of the leading companies in national and international markets.













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