Dual Thrust Ratios 25:1 & 12:1 – Switch between high and low thrust settings to handle both heavy-duty mastics, adhesives, and lighter silicone sealants with precision and consistent bead control. Dripless On/Off Switch for Clean Results – Instantly stop sealant flow when you pause, eliminating drips and wasted material for a cleaner, more professional finish every time. Built-In Spout Cutter & Seal Punch – Integrated tools open cartridge nozzles and pierce inner tube seals quickly and safely — no separate tools needed, saving time on every job. Fits Standard 400ml Cartridges – Compatible with silicone, mastic, adhesive, filler, and grout cartridges. Ideal for sealing windows, doors, skirting boards, kitchen and bathroom installations. Heavy-Duty Steel, Aluminium & PP Construction – Built to withstand daily use on demanding job sites, with an ergonomic handle that reduces hand fatigue during extended application.