Plane rasp,hand rasp Material zinc alloy, Blade 65Mn, Compact plane with diecast body, Blade length 250mm ... , semicircle type and serrate type planer slice.1. Using special alloy materials, with special heat treatment to make file surface hardness ... , and long service life.2. Shaver body is zinc-base alloy material.3. Special tooth shape design, make file tine sharper ...