Model Name:Rear View Holder Adaptor Material Type:Hard aluminium Item Weight:0.057kg Description: Features: This item is a pair of mirror mounts, which are made of aluminium material, suitable for motorcycle, bicycle, E-bike etc. Enable the bicycles access to rear view mirrors. Simple, durable and practical to use, can be easy installed and convenient to use. Applicable to motorcycle, bicycle, E-b ike etc. Simple, durable and practical to use, Can be easilly installed and convenient to use. Specifications: Color: Black Quantity:1Pc Material: Hard aluminium. Screw size: 8mm and 10mm. Package includes: 1 x Motorcycle Clamp Mount Bracket Note: 1.Please allow 0.1-0.3cm differences due to manual measurement, thanks. 2.Please understand because of the light irradiation or computer display difference, so I can't guarantee photos and real color is 100% the same.