Product Features: High-strength aluminum alloy lighter and more portable. Small and exquisite appearance easy to operate support a wide range. High-precision bearings feel smooth flexible operation. Professional design 360 ° all-round stable shooting. Retractable stabilizer balance bar to adjust the length. Thread design on the backbone just gently rotating can shrink freely. Vest damping arm can be used with professional use. Technical Parameters: Weight: 575g (excluding weights) Weights weight: 1090g Mini working height: 32cm. Max working height: 69cm. Max load capacity: 3kg. Adjustable range of the front & back: 50mm + 50mm. Adjustable range of left & right: 20mm. Applies to all below 3kg SLR camera or DV camera.