Ergonomic Design Allows You To Quickly Achieve Professional Finish Results Full hand grip arthritisfriendly trigger design, which eliminates finger fatigue. Provides Accurate Spray Control To Help Ensure A Smooth Finish, While Minimizing The Risk of Getting Paint Runs. Reusable, Easy To Clip On and off. Attach and Remove By Squeezing The Side Clips with Your Fingers. Align Spray Tip Through Opening Before Pulling Trigger. Universal Fit For All Standard Spray Cans. ThereS An Endless Amout of Spraying Products That This Trigger Can Be Used On, But Commonly Attached For Use On Spray Can Paint, Adhesives, Lubricant and Cleaners.