WORKPRO Sealant Caulking Gun, 9:1 & 18:1 Adjustable Thrust Ratio, for Applying 290-310 ml Cartridge Caulks, Sealants, Silicones, Adhesives

【Switch at Will of High & Low Flow Rates】WORKPRO mastic gun allows for switching between high and low flow rates. Pull the trigger handle downwards, the high of setting thrust ratio 18:1 for use with adhesive materials. Push the trigger handle upwards, the low setting of thrust ratio 9:1 for use with acrylic materials. 【Drip Controllable】Press down on the front of the red button, this process stops the caulk from flowing and allows for clean, smooth transitions and less mess to clean up. Press down towards the rear of the red button, this mode keeps constant pressure on the tube for providing smoother action and quicker working. 【Allows for Effortless Maneuvering in Tight Areas】The sealant cartridge gun with a rotating barrel can effortlessly reach hard-to-reach places. A rotating shaft is designed to allow easy maneuvering in tight areas. WORKPRO's half-barrel frame caulking gun is ideal for standard size 10 oz cartridges. 【Smooth Roud Rod for Less Force Required】Smooth plungers allow more control and more thrust to push the caulk. The smooth round rod with spring-loaded thumb release offers a quieter and less effortful project than a ratchet rod. The puncture tool can also be used to clear the spout of the tube if it becomes clogged. 【Comfortable Grip】The trigger with a cushion grip improves grip comfort and prevents your fingers from hurting when you are caulking. The handle and trigger of the cartridge gun are made of ergonomics plastic, which is comfortable for a long time using., Weight: 0.625 pounds, Manufacturer: Hang Zhou Great Star Industrial Co.,LTD