Para sa pagkakaiba sa pagitan ng  Malaking Round Knurled Hub Needle (8mm) at Malaking Round Knurled Hub Needle (9mm), pakitingnan ang mga sumusunod na larawan.
Mayroong malalaking round knurled hub needles na pangunahing iniluluwas sa South America.

	Malaking Round Knurled Hub Needle (8mm)	Malaking Round Knurled Hub Needle (9mm)
Diameter ng knurled round
Taas ng hub

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