This gun features a zinc die-cast cap, zinc-plated spout and heavy duty trigger. The spout tip has 12-32 threads and the spout base has 3/8 inch-24 threads. Brush tip available. Durable epoxy finish bodies. Pump most non-corrosive fluid which will seek its own level. Not recommended for water-based adhesives. Tip ID .055 inch. 1 pint with long adapter.