Product characteristics: 1.This type grab bucket is mainly applied for grabbing raw woods, it can autorotate and the pattern of head connection is decided by our customer. 2.SWL=weight +cross area *length*specific gravity (raw wood: 0.8t/m3) 3.When the diameters of raw wood reach to maximum C, the length of the raw wood shoud not exceed the standard length--6 meters. 4.When the diameters of raw wood is less than maximum C, the length of the raw wood can be longer accordingly. 5.The diameter of raw woods should not exceed maximum C; the range of wood length can be shorter in the special situation.