Albion Engineering B12Q Quart B-Line Manual Cartridge Gun with 12:1 Drive Quart Smooth Rod Cartridge Gun with 12:1 mechanical advantage drive. Full sized handle for comfortable, efficient dispensing. Half-cradle carriage securely holds cartridges and rotates for convenience. Built-in cartridge puncture wire. Designed for all standard viscosity materials packaged in quart or 28oz to 32oz (nominal 825ml) Cartridges; Silicones, Acrylics, Polyurethane, Construction Adhesives, etc. Legendary Albion design and quality make this tool a leader in value.