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What are the specifications of the document?
The specification of locksmith file refers to the length of file body.

The specification of special-shaped file and plastic file refers to the full length of the file.

The assembler files the body (the distance from the file tip to the file shoulder). In terms of length, there are several specifications: 100 ~ 150 mm, 200-300mm and 350-450 mm

The full length of special-shaped files and plastic files are specifications.

The basic dimensions of a file mainly include width and thickness. For circular files, diameter.

Main parameters of file mode file

(1), locksmith file

File number-parameter indicating the thickness of file teeth. According to the number of main gears within the axial length of 10mm, there are five types, namely 1, 2, 3, 4 and 5. The smaller the file number, the thicker the file teeth.

(2), special-shaped file

The document number-* * * is divided into ten types: 00, 0, 1, 2...8.