The Ka-Bar Knives 2490 refers to the KA-BAR TDI Flipper Folder. This product is known for its lightweight nature and is designed with a framelock folder which includes a distinct spearpoint blade. The addition of a flipper ensures one-handed deployment, further improving accessibility and ease of use. Quality of construction is evident in its G10 handle and AUS8A steel, lending both durability and precision to its design.