Features: Brand new and high quality 1 Handed Flow Adjustment: Our foam Guns allows you to adjust the flow rate and dispense foam with 1 hand, making your work more efficient. NonStick PTFE Coating: The expanding foam Guns is cover with nonstick PTFE, easy to clean and preventing foam from spilling. Design: handle plastic for long using. The distance between handle the adjustment knob been adjusted several for more comfortable 1-handed operations. Use: Our foam dispensing Guns for sealing, Fillings, and insulating small gaps in door and window, bathtubs, air conditioning hole, and more. User-Friendly: Before using, please read the operating manual carefully. Also, remember to release air and foam pressure for first use and any maintenance, and clean foam Guns immediately after every use. Specifications: Material:Aluminum + Steel Color: Orange, Black(optional) Package Includes: 1PC Foam Guns note: Please allow 1-3mm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item. Thank you!