Professional caulking gun with 25:1 thrust ratio and 4000N pressing force for effortless sealing. Fits all standard 310ml cartridges of silicone, mastic, and adhesive. Features drip-stop lever and 360\u00B0 rotating aluminium barrel for clean, precise beads. Built to last with tempered aluminium and hardened steel. Ideal for bathroom, kitchen, windows, roofing, and DIY projects. Lightweight at 729g, reduces hand fatigue. Trusted by pros and DIYers alike.\n\nProfessional Caulking Gun 25:1 Heavy Duty Mastic Silicone 4000N for 310ml\n\nSeller Info\n\nUK Seller\nUK Stock\nBrand New\n\nFast Dispatch\nUsually within 24 hours\n\n30-Day Returns\nNo hassle refunds\n\nQuick Responses\nUsually within 4 hours\n\nOverview\n\nThis professional caulking gun delivers the power of a trade tool in a hand-sized format. Its 25:1 gear ratio converts every squeeze into up to 4000N of force, so even high viscosity sealants and adhesives flow smoothly without straining your hand. The drip-stop lever releasem