Albion light weight 12:1 thrust ratio 2 inch aluminum barrel caulking and sealant guns are meticulously designed to operate very smoothly by dispensing a variety of high viscosity sealants like auto urethanes and construction sealants even during cold weather. The caulk gun strap frame revolves to move the nozzle tip where needed. The full size handle makes it comfotable to dispense silicone, acrylics and polyurethane sealants quickly and easily. Strong and durable pistons resist sausage bag wrap. Double gripping plate technology counters slipping and elongates its life expectancy. The Albion B12S20 20 ounce sausage caulking and sealant gun accepts an optional ladder hook for your convenience and safety.