Features: High expansion and strong adhesion, spray foam insulation guns for insulating and sealing small space such as your home window and doors. Ergonomic handle provides more secure grip and comfort during extended use; Metal body foam guns wear-resistant, high-temperature resistant, and anti-corrosion; Adjustable foam guns with metalvalve;Thetrigger allows you to precisely control the amount of foam. Non-stick coated connector and tip makes it easy to clean off foam preventing foam curationand clogging; Specifications: Material:Aluminum Alloy Color:Black Size:Approx.31.5x14cm/12.4x5.51in Note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1PC x Foam Expanding Tool