The Spitfire™ is designed for everyday carry. The razor sharp blade can easily be opened with one hand and locks open with the lockback design. The aluminum handles offer a sleek and lightweight design. The aluminum handles offer a sleek and lightweight design. Closes to 4 1/4" (10.8 cm) for easy carry. Offered with serrations or without and available in multiple colors! Trusted for generations. Buck knives are known for sharp edges and rugged durability. Each Buck knife is backed by their famous Forever Warranty.