Two-Part Adhesive Gun, Designed for solid surface adhesive application, Ideal for Countertops, Bathroom Vanities, Wall Panels & More, Can also be used for single part adhesives, Find Surface Adhesive and replacementshere. Manual Drive, Multi-Component Cartridge Gun, 490ml Twin Cartridge Capacity, Thrust: 900 lbf, Pressure: 181 psi. 26:1 Drive. Accepts 10:1 Mix Ratio (450ml to 490ml) twin cartridges; Typically used for dispensing solid surface adhesives.