Click to expand Tap to zoom Primo Tools Caulk Gun by Primo Tools Sale Original price $6.75 Current price $4.95 | / SKU CAU-D-SKE Currently Available 6 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Dripless type caulking gun. Durable construction Holds 10.5 ounce caulk and silicone cartridges. 10:1 thrust ratio Thumb release to stop flow