CHOOSE:SILVER Features The funnel-shaped filling port design ensures fast loading and can quickly improve work efficiency. The tail adopts a labor-saving bearing design with a diameter of 10mm, which is suitable for most electric drills. Built-in thickened feeding rod reduces material blockage and speeds up material discharge. Equipped with 4 detachable nozzles with threaded design, it is easy to use and can be replaced according to different scenarios. Can be filled with mortar, plaster, stucco, concrete, soil mixtures, etc. Specification .