Knife Measurements
Tamahagane (W)
Kikuryu
Kasumi (STD)
Kasumi (WH)
Kurouchi (WH)
Length, Overall
373
412
394
412
415
Length, Handle to Tip
247
262
247
264
264
Length, Heel to Tip
244
246
235
247
249
Weight (gr)
235
249
232
240
270
Height, Blade at Heel
52.9
53.3
49.5
53.6
53.8
Width, At the Handle
3.2
6.3
5.9
5.9
5.5
Width, Above the Heel
3.2
5.2
5.2
5.0
5.0
Width, At the Middle
2.3
2.7
2.9
2.4
2.9
Width, 1cm from Tip
1.0
0.9
0.9
0.9
2.1
Halfway, at Spine
2.3
2.7
2.9
2.9
2.9
Halfway, 2cm from Edge
1.6
2.1
2.1
1.9
2.5
Halfway, 1cm from Edge
1.3
1.6
1.4
1.3
1.9
Halfway, 0.5cm from Edge
0.7
0.8
0.9
0.9
0.8

About measurements

All five knives were originally advertised as 240mm in length, All measurements are taken in mm, performed with a digital calipher and rounded up to nearest 10th of a mm.

  • W: Western Handle
  • STD: Standard Version
  • WH: Workhose version

Kato Tamahagane

Tamahagane (W) Details

  • Steel: Tamahagane & Watetsu
  • Handle: Tamamoku Cedar
  • Handle By: @DanPahlberg

Kato Kikuryu

Kikuryu Details

  • Steel: Japanese High Carbon Steel
  • Clading: Iron and steel
  • Handle: Ho Wood

Side By Side

Kasumi (STD) Details

  • Steel: White
  • Handle: Ho Wood

Side By Side

Kasumi (WH) Details

  • Steel: Japanese High Carbon Steel
  • Handle: Burnt Chestnut

Side By Side

Kasumi (WH) Details

The back of the blade

Side By Side

Kurouchi (WH) Details

  • Steel: Japanese High Carbon Steel
  • Handle: Burnt Chestnut

Side By Side

All Five

Side By Side

Four Yoshiaki Fujiwara gyutos

Close-up of the kanji, back and front sides.

Side By Side

A trio of Yoshiaki Fujiwara gyutos