This caulking gun refines the classic design to the next level, for ultra-smooth application of cartridge-based sealants, caulk and fillers. Ideal for the higher viscosity that often comes with modern low VOC sealants, the reinforced barrel not only gives heavy duty performance, it can be rotated during application to give a smooth, continuous bead around corners and in awkward areas. Featuring ergonomic finger moulding for comfort, the powerful trigger drives the plunger to efficiently and evenly push the sealant through the cartridge for maximum efficiency and smooth application, with a release clip that stops the flow when required and gives a clean break in the sealant bead, ensuring no long, messy strings. Powder coated for durability and rust resistance, the gun is suitable for cartridge sizes up to 400ml.