The plane blade is made of steel 9ХС (DIN - 150Cr14). Hardened to 59-61 HRC. Dimensions: total length 175 mm, width 50 mm, thickness minimum 3.5 mm, thickness maximum 5 mm.
All blades are wedge-shaped with a wedge angle of 0.5 degrees, which favorably distinguishes them from others, and are ideally suited for wooden planes with wedge fixation.
Blades have two sides - one is hard, the other is soft (production feature)
Absolutely every blade is tested with a hardness tester.
The solid side has 2 points from the diamond cone - the test, and the control test.
The manufacturer reserves the right to change the thickness and appearance of the knife without degrading the working qualities of the tool.
Totally hand made at PETROGRAD factory of joinery and carpentry tools. Made in Russia.
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