This is a tray (Fenpan - 分盤) that is used to break apart Pu'er Tea when it is formed into shapes like Pu'er Cake (Bingcha - 饼茶) and Bowl (Tuocha - 沱茶).
Some aged Pu'er can be quite hard so they are prised apart with a tea needle (Cha Zhen - 茶針) on the tray to keep the tea together.
Dimensions 14.5cm x 14.5cm