The butt-type design makes it easy to operate with one hand. Reasonable retraction design, automatic glue collection effect, to prevent excess glue from dripping. Aluminum barrel design, light weight, smooth operation, versatility, easy to convert hard rubber and soft rubber. 1 x Electric Cordless Caulking Guns. We are only responsible for once re-sending expense for replacement due to defects.We have always been doing our best to provide the best service and reliable products for every customer. We will reply your emails and questions within 24 hours. We are a company specializing in motorcycle parts accessories, Car accessories, Industry accessories, Home Garden accessories, we provide high-quality products at affordable prices and excellent service.