说明

•     Material: Bronze Length: 20mm Outer Diameter: 9mm (9.5mm for all of the 5mm bore) Screw Hole Diameter: M3 Bore Diameter: 2mm-2mm, 2mm-2.3mm, 2mm-3mm, 2mm-3.17mm, 2mm-4mm, 2mm-5mm, 2mm-6mm, 2.3mm-2.3mm, 2.3mm-3mm, 2.3mm-3.17mm, 2.3mm-4mm, 2.3mm-5mm, 3mm-3mm, 3mm-3.17mm, 3mm-4mm, 3mm-5mm, 3mm-6mm, 3.17mm-3.17mm, 3.17mm-4mm, 3.17mm-5mm, 4mm-4mm, 4mm-5mm, 4mm-6mm, 5mm-5mm, 5mm-6mm, 6mm-6mm For example: the Specification "2mm-3mm" means  "one bore diameter of the coupler is 2mm ,the different is 3mm" The Size:   Package Included:   Coupler x 1   M4 Screw x 2

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