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Brand: Goko Hamono 五香刃物製作所
Line: Kogetsu 光月
Made in: Kashiwa City, Chiba - Japan
Smith: Yoshito Yamakawa 八間川義人
Profile: Sujihiki/Slicer
Edge Length: 184mm
Blade Height: 34mm
Edge Steel: SK
Steel Type: Carbon
Construction: Zenko (Mono-steel)
Cladding: N/A
Finish: "Messy" Migaki (there are scratches intentionally left on the blade from production)
Bevel: Double
Bevel Symmetry: ~10/90
Hand Orientation:  Right-Handed
Handle Shape: Western
Handle Material: Pakka
Ferrule/Bolster Material: Carbon Steel
Spine Length: 188mm 
Thickness of Spine at Handle: 1.3mm
Thickness ½ way: 1.0mm
Thickness ~1cm from Tip: 0.3mm
Handle Length: 111mm
Total Length: 301mm 
Weight: 130g 
Saya/Guard: Sold Separately

Please note: These pictures and measurements are examples. Individual items may differ slightly in appearance and measurements.

Care advisement: Carbon Steel
This blade is carbon steel and care must be taken to avoid rust. Wipe dry after each use and ideally between preparing different products, especially when using acidic and salty products. A patina will form over time helping increase stain resistance slightly. Hand wash and dry only. Store away from liquids and open windows. Keep the blade covered when storing or traveling. Use only on appropriate cutting surfaces such as soft woods and plastics.

Brand: Hitohira ひとひら
Line: SK
Profile: Butchery
Edge Length: 150mm
Blade Height: 29mm
Edge Steel: SK
Steel Type: Carbon
Construction: Mono-steel
Cladding: N/A
Finish: Migaki (Standard)
Bevel: Double
Bevel Symmetry: 10:90
Hand Orientation: Right-handed
Handle Shape: Western (Yo)
Handle Material: Rosewood
Ferrule/Bolster Material: N/A
Spine Length: 156mm
Thickness of Spine at Handle: 1.8mm
Thickness ½ way: 1.4mm
Thickness ~1cm from Tip: 0.7mm
Handle Length: 107mm
Total Length: 262mm
Weight: 94g
Saya/Guard: Sold Separately

Please note: These pictures and measurements are examples. Individual items may differ slightly in appearance and measurements.

Care advisement: This blade is fully carbon and care must be taken to avoid rust. Wipe dry after each use and ideally between preparing different products, especially when using acidic and salty products. A patina will form over time helping increase stain resistance slightly. Hand wash and dry only. Store away from liquids and open windows. Keep the blade covered when storing or traveling. Use only on appropriate cutting surfaces such as soft woods and plastics.

Brand: Goko Hamono
Made in:  Chiba - Japan
Blacksmith: Yoshito Yamakawa 八間川義人
Line: Kogetsu
Profile: Sujihiki
Edge Length: 276mm
Blade Height: 49mm
Edge Steel: SK Carbon
Steel Type: Carbon
Grind: Convex
Construction: Mono-Steel
Finish: Unfinished Migaki (Purposeful) 
Bevel: Double
Bevel Symmetry: 80/20
Hand Orientation: Right-Handed
Handle Shape: Western
Handle Material: Pakka
Ferrule/Bolster Material: Steel
Total Length: 413mm
Spine Length: 280mm
Thickness of Spine at Handle: 1.6mm
Thickness ½ way: 1.6mm
Thickness ~1cm from Tip: 0.8mm
Handle Length: 126mm
Weight: 213g
Saya/Guard: Sold Separately 

Please note: These pictures and measurements are examples. Individual knives may differ slightly in appearance and measurements.

Care advisement: This blade is fully carbon and care must be taken to avoid rust. Wipe dry after each use and ideally between preparing different products, especially when using acidic and salty products. A patina will form over time helping increase stain resistance slightly. Hand wash and dry only. Store away from liquids and open windows. Keep the blade covered when storing or traveling. Use only on appropriate cutting surfaces such as soft woods and plastics.

Brand: Kogetsu 光月
Smith: Goko Hamono 五香刃物製作所
Line: Mono SK
Profile: Honesuki Kaku
Edge Steel: SK Carbon
Steel Type: Carbon
Cladding: N/A, Mono-steel
Bevel: Double
Bevel Symmetry: 80/20
Hand Orientation: Right-Handed
Handle: Pakka Western
Total Length: 273mm
Edge Length: 152mm
Spine Length: 157mm
Blade Height: 42mm
Thickness at Spine: 3.1mm
Thickness ½ way: 2.5mm
Thickness ~1cm from Tip: 0.6mm
Handle Length: 113mm
Weight: 171g
Saya/Guard: N/A

Please Note: These pictures and measurements are examples. Individual knives may differ slightly in appearance and measurements.

Care advisement: This blade is fully carbon and care must be taken to avoid rust. Wipe dry after each use and ideally between preparing different products, especially when using acidic and salty products. A patina will form over time helping increase stain resistance slightly. Hand wash and dry only. Store away from liquids and open windows. Keep the blade covered when storing or traveling. Use only on appropriate cutting surfaces such as soft woods and plastics.