✅ Material: carbon steel body with metal handle, durable, high hardness，Detachable muzzle makes refill more convenient. The design of the metal handle fits your hands highly, giving you a more comfortable feeling of use. ✅Efficient：automatic electric design makes it more convenient and flexible to use and easy to operate. The caulk gun can replace manual joint filling construction, which doubles the work efficiency. ✅ Lightweight: Lightweight products help save manpower and greatly improve efficiency ✅ Anti blocking measures; The sealing gun with a tongue on the dragons heads effectively prevents nozzle blockage. It is recommended that customers use fine sand instead of granular coarse sand when preparing cement slurry. ✅ Not afraid of heavy pressure: the new funnel helps you store products better and reduce losses on the job, Weight: 2.425084882 pounds, Manufacturer: Pei Zhi Qin