Kingjoy aluminum alloy VT-3500 tripod base + VT-3530 photography head is a nice choice for professional photographers/film makers/bird-watchers.It has a hydraulic damping head which can produce smooth and stable pan/tilt movement.You can adjust the damping tension, handle length and position freely.The flexible horseshoe-shape foot together with the middle supporting system offer the stablest support.Features:Non-slip and comfortable handle, length adjustable from 40 – 59.5cm/15.7 – 23.4″; can be mounted on both sides.Ideal tripod base specially designed for professional film making/photographer.bird-watchers & etc.Removable hydraulic damping head support 360° panoramic pan and -70°/+90° tilt movement; damping adjustable; handle length adjustable.9cm/3.5in long non-slip quick release plate with 1/4in & 3/8in camera screws and a security button.Height adjustable from 90cm/35.4in to 197cm/6.5ft, folded length 95.5cm/37.6in; with a carry bag; with bubble level; the spinning knob offer quick operation.Super flexible horseshoe-shape foot can always be paralleled with the ground; together with middle support system, be the stablest. Remove the rubber foot and use the nail foot on sand/grass land.Heavy duty aluminum alloy tripod, can support up to 20kg/44Lbs load; with its surface baking varnished, it is more heat-resistant, corrosion-resistant and