Designed with a 10 to 1 thrust ratio, this caulking gun ensures smooth, precise flow control for both professionals and DIY users. Features: 10:1 High Thrust Ratio: Ensures precise bead control and consistent material flow for smoother application and professional results. Durable Semi-Round Barrel: Thickened barrel construction offers enhanced stability and durability for long-term use. Ergonomic Comfort Grip: Designed for a comfortable hold, reducing hand fatigue during extended use on large projects. Versatile Material Compatibility: Works seamlessly with a wide range of materials including acrylics, adhesives, asphalt, butyl, and cement. Professional and DIY Use: Engineered for both demanding professional applications and convenient DIY home improvement tasks. Specifications: Material: Metal Color: Orange Size (LxW): 32 x 19.5 cm (Approx.) Operation: Manual Package Contents: 1 x Caulking Gun Please Note: Usage Method: Press the rear metal plate with your thumb and pull the hooked steel rod back fully. Insert the whole cartridge, release the metal plate, and then squeeze the trigger to start applying. Due to manual measurement, there might be slight differences in size.