The commonly used expansion gauges are straight expansion tubes and fish shaped expansion tubes. With the expansion and demand of the market application field, the styles of expansion tubes are more and more wide, and their functions are more obvious and powerful. For example, there are various types of expansion pipes (aircraft type expansion pipes) for ceiling gypsum board, and multifunctional bonded expansion pipes for hollow bricks of hollow walls. The size of the annular expansion tube is m4-m16 diameter, and the length is from 20mm to 160mm The styles include straight expansion pipe, fish shaped expansion pipe, conical expansion pipe, flange expansion pipe, straight extension expansion pipe, knotted expansion pipe, American expansion pipe, tooth shaped expansion pipe, driven rapid expansion pipe, double fin fish shaped expansion pipe, nylon expansion pipe, etc.