Product details – 1. Steel: 1045. 2. Steel blade: Heat tempered. 3. Can be bent but go to straight as original shape. 4. Edge: Sharp. 5. Hamon (tempered line): Distinct real hamon created by fully hand polishing. 6. Hi (blood groove): Long HI on each side. 7. Tsuka (handle): Genuine ray skin wrapped with Japanese cotton ITO & ornamented with menuki (ornament). 8. Saya: Black piano lacquered wood tied with black Japanese cotton sageo. 9. Tang: Full tang. 10. Signed with unique number. 11. Tsuba: Demi-God tsuba. 12. Other fittings: Brass. 13. Condition: Brand new and can be fully disassembled and assembled. 14. Handle length: 10.7". 15. Blade length (with habaki): 28.5". 16. Blade length (without habaki): 27.3". 17. Overall length: 40.7". 18. Sword weight (with saya): 2.6 lb. 19. Sword weight (without saya): 2.1 lb. 20. Package weight: 6 lb.