Tired of using your cell phone timer to accurately measure the cool-down times of your quartz nails? Now you don't have to! This timer features 4 different glow in the dark sand vials: 30 second, 45 second, 60 second, and 1:15 seconds. It works for any quartz banger on the market! Using a timer,you can keep your quartz clean, as well as enjoy more flavorful, low-temp dabs. Made with natural rubber-wood.