100% Made in the USA, premium quality knives and replacement blades in a wooden storage box. Set includes light, medium and heavy duty hobby knives K1, K2 and K6 with 13 assorted replacement blades for basic cutting, trimming and carving. Blades are interchangeable with Excel Knife Handles and Blades and also fits popular hobby knife brands including Xacto Knife. Blades are sharper than average craft blades, Excel hobby blades have a strong tip and flex without breaking to keep their edge and tip longer, and are coated in a thin layer of oil for rust protection. Perfect for craftsmen, artists, designers and hobbyists ? wood carving, model kits, paper crafts and more.