Optionaldiameter: numberOptionalpitch: numberOptionalpattern: knurlPatternEnumOptionalunit: unitOfLengthEnumOptionaldiameterThe cylinder's diameter in unit, more than twice pitch (which is in millimetres).
OptionalpitchThe distance between grooves round the circumference, in millimetres, one of DIN 82's: 0.5, 0.6, 0.8, 1, 1.2 or 1.6.
OptionalpatternThe grooves' pattern.
OptionalunitThe unit the diameter and the grooves' sizes are in.
A cylinder's diameter, a DIN 82 pitch, a pattern and a unit, for
engineering.mechanical.knurls.din.knurlSizes.