This Heavy Duty Aluminium bodied PU foam tool is ideal for filling, sealing and insulating small gaps with ease.This tool allows expanding foam to be applied quickly and with .Ergonomic design means it's comfortable to use for long periods of time Regulating bigger valves, regulating more comfortable, easier to use. Metal handle, more comfortable, more . Into the plastic head is more solid, not easy chipping and drooling. Easy to Clean, yet very strong, sprung trigger allows you to accurately control, Weight: 0.56328107941 pounds, Manufacturer: Aboiled