– 12:1 manual drive cartridge adhesive caulking gun for use on 1 quart/750ml cartridges – Thrust: 300 lbf, – Pressure: 50 psi – Full sized handle for comfortable, efficient dispensing – Half-cradle carriage securely holds cartridges and rotates for convenience. – Double-Gripping Plate technology for double the life of the tool, built-in cartridge puncture wire, ladder hook pull. – Designed for all standard viscosity materials packaged in quart or 28oz to 32oz (nominal 825ml) cartridges; silicones, acrylics, polyurethane, construction adhesives, etc.