10Pcs 6.2/8.2/10.2/12.2mm Aluminum OD20mm Unthreaded Standoff Spacer Bushing Washer Round Hollow Gasket Sleeve Length 2mm~50mm

10Pcs 6.2/8.2/10.2/12.2mm Aluminum OD20mm Unthreaded Standoff Spacer Bushing Washer Round Hollow Gasket Sleeve Length 2mm~50mm

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