ValueMax 9 in Caulk Gun Silicone Sealant Caulk Gun for Caulking/Filling/Sealing

A seal puncture pin leads the liquid out of the spout. A rubber covered trigger comforts soft grip, reducing resistance pressure and friction which also protects your hands. Note- Make sure the inner seal of the tube is punctured before use for better performance, lubricate where necessary after every 10 catridges.