One of the most important tools for any construction worker is a caulking gun. With the Albion Engineering Company B12 B-Line Manual Cartridge Caulking Gun, 1, you can get the job done quickly and efficiently. This caulking gun is designed for 1/10 gallon (10 oz) or 300 ml cartridges and has a thrust of 375 lbf and pressure of 120 psi. The full-sized handle is comfortable to use and the half-cradle carriage securely holds the cartridges in place.