The length of the bell pin of heng rong is measured from the center point of the bell hole, rather than the length of the whole clock pin, because such a measurement method is based on the size and radius of the dial to quickly know how long the clock pin will be used. There are many colors of clock needles produced by hengrong clock. The commonly used colors are black, white, red, silver and gold. If dear friends has strict color requirements, please provide your color number or color board when ordering.