Amazon Basics Heavy Duty Sealant Caulking Gun - 310 ml (0.3 Litres) - 12:1 Thrust Ratio, Aluminium handle with plastic support grip, Blue/Grey

Heavy duty sealant caulking gun accommodates 310 ml cartridges; thrust ratio of 12:1 Made of durable powder-coated metal; cartridges can rotate as needed thanks to the gun’s revolving steel frame Aluminium handle with plastic support grip and aluminium trigger; ergonomic rubber-coated handles allow for comfortable all-day use Silencing mechanism prevents squeaky noise when squeezing the trigger; drip-free mechanism retracts the pushing rod, which stops the flow of caulk Measures 36 x 18.8 x 5.72 cm (LxWxH) When the trigger becomes too hard to squeeze, the sealant inside may be dried. Do not forcibly squeeze the trigger and reload new sealant Keep out of reach of children