The HB42 Skeleton Gun 400ml is specially engineered to be stronger than standard skeleton guns, offering enhanced durability and performance for demanding tasks. Designed using robust steel construction, this heavy-duty sealant gun is built to withstand frequent use in both professional and home DIY environments. Compatible with both 310ml and 400ml cartridges, the HB42 Skeleton Gun provides versatility across a wide range of sealants and adhesives. Whether you're a seasoned decorator or a weekend DIY enthusiast, this tool delivers a clean and smooth application every time. To ensure ease of use and precision, it features a release clip to stop flow instantly, helping to prevent mess and waste. Plus, the integrated nozzle cleaning pin keeps your sealant tubes clear and ready for the next application.