Economy Professional Ratchet Caulking Tool Drench is a Simple Mechanical Skeleton Gun Ideal for Applying Adhesives and Sealants for a range of Domestic, Commercial and Industrial Uses. This reliable gun is easy to use, holding cartridges up to 300ml or 400ml in size respectively. Simply pull back the central rod, place the cartridge in the cradle, release the rod via the back switch, and the applicator is ready for use. Main Features: Mechanical Skeleton Shape Caulking Gun Stylish black metal design Easy to use Holds 300ml / 400ml Cartridges Technical Specification: Dimensions: 38 x 18.2 x 5.6 cm Capacity: 300/400ml Body: Aluminum Comes with a 1 year Manufactures Warranty