1. Aluminum alloy is lightweight, durable, and CNC precision-built 2. Surface anodization treatment, enhance surface hardness, wear resistance, and extend service life 3. 180 degree adjustable model, wide adaptation range, adjustable diameter 18.5 to 28.5mm 4. 360 degree damping elastic model, the damping strength can be adjusted by wrench, which is convenient for angle adjustment and fixation 5. Built in strong magnetism, automatic adsorption 6. Material: aluminum alloy 7. Size: 360 degree model: approximately 4.5 x 5 x 7.4cm; 180 degree model: 4.5 x 4.8 x 5.9cm 8. Weight: 360 degree model: about 72g; 180 degree model: about 52g
