Curtiss Custom Knives F3 Large Spanto Flipper Folding Knife (Magnacut | Purple/Bronze Titanium)

The Curtiss Custom Knives F3 Large Spanto Flipper Folding Knife combines precision craftsmanship with reliable performance. The 3.75" CPM Magnacut stainless tool steel spanto blade is built for strength, sharpness, and edge retention, making it ideal for both heavy-duty tasks and fine slicing. The spanto blade profile provides excellent piercing ability, while the satin/stonewash finish adds an extra layer of durability and aesthetic appeal.

This manual folder features a blade flipper that operates smoothly on an IKBS ball-bearing pivot system, ensuring fast, effortless deployment with one hand. The frame lock secures the blade firmly in place, offering robust safety during use. With a closed length of 5", the knife opens to a full 8.75" and weighs 7oz, giving it a solid, substantial feel that’s still comfortable to carry.

The F3 Large Spanto’s purple titanium handles are milled for both strength and a sleek, modern look. Bronzed stainless steel hardware enhances the overall design, while the matching purple titanium tip-up pocket clip with a Curtiss logo cutout ensures easy carry and a touch of refinement. Whether you’re using it in the field or for everyday tasks, this knife provides both function and style.

Included with the knife is a certificate of authenticity, a Curtiss Custom Knives sticker and patch, Loctite 242 for maintenance, and a black zippered nylon pouch for safekeeping. Designed by David Curtiss and proudly made in the USA, this knife reflects the highest standards of American craftsmanship.

CPM Magnacut Stainless Tool Steel is one of the newest and most innovative steel types in the world, combining unsurpassed toughness and undefeatable resistance. Magnacut steel was formulated to eliminate chromium carbide in the heating process, making it especially resilient against chipping and breaking.