Saw, Japanese, Usuba, Overall 390mm, Blade 0.3 x 180mm, Pitch 1.5mm (16.93tpi), Piercing Nose, Stiffened, EVA Handle, #290
This stiffened saw has a few leading upswept teeth without set to allow for piercing starter cuts - around 18TPI and 0.3mm blade. Click here for Japanese saw data sheet.