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Dimension:39*19*15mm
Weight: with a plate:6.86g
without a plate:6.1g
Packaging: 1000pcs/ctn，with a plate:7.6Kg
without a plate:6.6Kg,0.02cbm
Remark:4.5mm/5.0mm/6.0mm/.../9.0mm
or custimized of the hole diameter
