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Description

Model classification and size parameters (based on picture annotation data) :
M model:

Dimensions: 42mm, 56mm, 26mm, 50mm, 240mm

Parameter span:

Diameter range: 26mm to 56mm

Length: 240mm (may be total length or component length)

S Model:

Dimensions: 36mm, 29.0mm, 18.0mm, 65mm, 55mm, 40mm, 70mm, 80mm, 95mm

Parameter span:

Diameter range: 18.0mm to 95mm (including progressive gradient)

Component length: 29.0mm, 36mm, etc. (segmented structure)

Structural feature
Multi-component design:

Multiple sets of diameter and length parameters are included in the model (e.g. Model S with 18.0mm to 95mm span)

Some values (e.g. 36mm) are standard dimensions for key components.

Size gradient adaptation:

The diameter covers 18.0mm to 95mm, offering a wide selection
M model marked 240mm length, for extended design.

All parameters are in millimeters (mm), and some annotations retain one decimal place (such as 29.0mm).