Features: new quality, firm and stable, more brackets are fixed and matched, all aluminum alloy material is not easy to damage Three fixing methods, rearview mirror mirror holder fixing bracket, handlebar fixing bracket, rearview mirror rod fixing bracket, adapt to your different sizes The film is non-slip and shockproof, stable shooting, no shake 360 arbitrary adjustment, double ball for head design, more flexible Comes with standard 1/4 inch screws, suitable for most cameras, such as card digital cameras, miniature single cameras, SLR cameras, sports cameras, CONTOUR sports cameras, etc. Type 1 (Rearview mirror fixing bracket) Specification: Total length: 16.3cm Length of connecting rod: 9.5cm Interface diameter: 10mm Material: Aluminum Alloy Type 2 (Handlebar fixing bracket) Specification: Total length: 19cm Length of connecting rod: 9.5cm Interface diameter: 15-35mm Material: Aluminum Alloy Type 3 (Rearview mirror -pole fixing bracket) Specification: Total length: 16.5cm Length of connecting rod: 9cm Interface diameter: 9-16mm Material: Aluminum Alloy Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls 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: 1 x Holder(Optional)