KHIND High-Velocity Metal Stand Fan came with Simple Deluxe Newest Technology of Dual Ball Bearing while most of the other competitors on the market are using Sleeve Bearing. This fan is ideal for homes, greenhouses, garages, workshops, and other areas that may need a heavy-duty portable stand fan. The height of this Pedestal Fan can fully be adjustable from 47.6 in. to 55.1 in. to suit your needs. In addition, the heavy fan base can provide high stability during operation and prevent dangerous situations caused by tipping over. Different speeds make our pedestal fan ideal for different places. There are low, medium, and high wind speeds for you to choose from according to different situations and temperatures. Different wind speeds make our pedestal fan ideal for many places like offices, homes and so on.