These photos are an example, kogatana come in a variety of colors with a variety of covers.

Brand: Higonokami 肥後守
Smith: Mitsuo Nagao 永尾 光雄
Producing Area: Miki-Hyogo/ Japan
Size: 156mm
Steel Type: Carbon
Steel: White (Shirogami) #2, Soft Iron Clad
Hand Orientation: Ambidextrous
Comes with Sheath
Total Length: 156mm
Edge Length: 70mm
Handle to Tip Length: 80mm
Blade Height: 20mm
Thickness: 2.6mm
Handle Length: 75mm
Weight: 58g