4" knife: blade length: 10.5cm, handle length: 9.5cm, blade width: 2.2cm, total length: 20cm; 5" knife: blade length: 13cm, handle length: 11cm, blade width: 2.5cm, total length: 24cm; 6" knife: blade length: 15cm, handle length: 12cm, blade width: 3.5cm, total length: 27.5cm; High hardness and sharpness, never rust