Industrial & Scientific" /> Frameless caulking gun for 1/10-gal. cartridges Thrust ratio of 10:1 for use with low to medium viscosity materials Frameless design is compact and lightweight and allows cartridge to rotate for maintaining bead orientation when caulking around corners Smooth pressure rod requires less force and is quieter than a ratchet-style pressure rod Rod retracts after each pull of the trigger to help prevent dripping Caulk gun Non drip Smooth rod Barrel-less gun 10:1 thrust ration