135mm Tsunehisa AUS10 Damascus Petty Utility Yo HandleThe Tsunehisa line of knives are hand made in Tosa, Japan. The blades are damascus clad AUS10 stainless steel. Handles: Triple riveted pakka wood scales Weight: ~80g Blade Length: ~135mm Overall Length: ~241mm Thickness at Heel: ~1. 6mm Blade Height: ~27mm The best sharpening tools for Japanese knives are leather strops and fine whetstones. Japanese chef knives are brittle and the blades can chip if not handled carefully. High Carbon steel chef knives