AST405 Features: -Permits smooth flow caulking. -Dispense caulk, adhesives and sealants from standard cartridge. -Air Pressure: 40-69 PSI. -Air Caulking Gun. Product Type: -Caulking Guns. Generic Dimensions: -Tube Length: 8-1/4". Dimensions: Overall Height - Top to Bottom: -2.5 Inches. Overall Width - Side to Side: -6.1 Inches. Overall Depth - Front to Back: -13.5 Inches. Overall Product Weight: -2.8 Pounds.