Deemount Digital Camera Adapter Bicycle Handlebar Mount Holder Features: Material: Aluminum (base mount), Plastic (Lamp holder), Steel (Bolt) As an adapter for mounting on stem bicycle headlight; Camera-type connector so that tilting degrees adjust when installing; Woven pad for non-slip grip; Stem Mount Bolt type: M5 Max; Lamp Mount Bolt type: M5 Max. Specifications: Product Size: Please refer to graphic below Net Weight: Approx. 33gram (With Bolts) Note: Please allow 0-1cm error due to manual measurement. Make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1Pcs Mount adapter 3Pcs bolts 2Pcs washing machines 2Pcs Hex Keys.