On both sides of Lubanchi, there are Gate Light Star, Nine Good Stars and Autumn Palace Sand. Used to help craftsmen choose the time to build the door.
On the back of Lu Banchi is the Ding Lan ruler, which is generally used to measure the circumference of Yin family, or the size of tombs, or the length and width of tombs. * * * is divided into ten sections: "Ding, Harm, Prosperity, Suffering, Righteousness, Official, Death, Prosperity, Loss and Wealth". The above is the style of Lu Banchi, and there is another kind of Lu Banchi, which is not Ding Lan ruler, but eight stars, namely the noble star and the natural disaster star.