hand tool CY-CROWN

hand tool foam gun: 1Aluminum die-cast gun body ,gold plated finished 2.Iron trigger with nickle plated finisged 3.teflon coated adapter and all the components inside the gun even the gun tube's inside wall and also valve ball is precessed by teflon 4.Easy to control the flux of pu foam by adjusting screw ,only one hand need 5.hermetical circle's abrasion resistance is more than 230000 times 6.pu foam doed not cure in the gun body in 15 days ,if the foam can left on the gun aftter using .