IMG		Metal	Ext	Hole	Type	Shape	Weight	Origin
			AG 925	2.0mm	0.9mm	2 Hole	Round Smooth	0.021g	Italy
				2.5mm	0.9mm			0.038g
				3.0mm	1.0mm			0.053g
				4.0mm	1.0mm			0.109g
				5.0mm	1.2mm			0.164g
			AU 585	2.0mm	0.9mm	2 Hole	Round Smooth(Light Weight)	0.005g	USA
				2.5mm	1.0mm			0.007g
				3.0mm	1.0mm			0.013g
				4.0mm	1.0mm			0.022g
				5.0mm	1.2mm			0.039g
			AU 585	2.0mm	0.9mm	2 Hole	Round D/C	0.020g	Italy
				2.5mm	1.1mm			0.029g
				3.0mm	1.2mm			0.046g
				4.0mm	1.2mm			0.108g
				5.0mm	2.0mm			0.163g
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