Specification: 
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<br />Brand new
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<br />type: washer
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<br />Color: silver
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<br />Material: 304 stainless steel
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<br />Metric Size: M3 M4 M5 M6 M8 M10
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<br />Quantity: M3x20pcs, M4x20pcs, M5x20pcs, M6x15pcs, M8x15pcs, M10x15pcs
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<br />d1 = internal diameter
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<br />M3=3.2mm, M4=4.3mm, M5=5.3mm, M6=6.4mm, M8=8.4mm, M10=10.5mm
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<br />d2 = outer diameter
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<br />M3=7mm, M4=9.0mm, M5=10.0mm, M6=12.0mm, M8=16.0mm, M10=20mm
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<br />t = thickness
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<br />M3=0.5mm, M4=0.8mm, M5=1.0mm, M6=1.6mm, M8=1.6mm, M10=2.0mm
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<br />Package included:
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<br />105pcs x stainless steel washers
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<br />Note:
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<br />Please allow 1-2mm errors due to manual measurement
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<br />Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same
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