Hatsukokoro ZDP-189 Migaki Petty 150mm Length:150 mm Sanmai literally means “three pieces”:

Sanmai literally means “three pieces”: a thin layer of core steel is sandwiched between two layers of soft iron or stainless steel

0 mm Width of Spine at Middle of Blade 2

Grit: Coarse (140grit)

These stones are designed for professionals who put the highest daily demands on their knives

Hatsukokoro ZDP-189 Migaki Petty 150mm Length:150 mm Sanmai literally means “three pieces”:Measurements 150 mm Weight 78 g Total Length 279 mm Tip to Heel Length 150 mm Blade Height at Heel 29. 5 mm Width of Spine Above Heel 2. 0 mm Width of Spine at Middle of Blade 1. 7 mm Width of Spine at about 2cm from tip 0. 9 mm Steel type: ZDP189 Core with Stainless Cladding Hardness (HRC): 65 67 Handle Design: K&S Teak wood handle. Optional handles available.