Switchable thrust force to select proper discharge quantity based on caulking materials.
Ideal for winter, by switching the lever, it makes it easier to dispense materials which increase in viscosity due to lower temperatures.
For hard materials, pull down on the lever to 16:1 ratio. For soft materials pull the lever up to 8:1 ratio.
By increasing 20% of contact surface between the plunger and valve plate, the thrust force is transmitted to the plunger without reduction. This results in higher durability.
Extra long Seal Puncture Pin
360 degree rotating handle.
Fits 310ml tubes.