IDEAL High Performance, Heavy Duty Caulking Gun This caulking gun is engineered for trade and combines high quality materials and components with ergonomics, performance and reliability in mind. The frame and handle assembly will not deform with prolonged use and the trigger offers a smooth action for clean bead application. This is a premium tool for the professional tradesman for long term use especially when working with adhesives and sealants that are high grab or highly viscous.