This tool is designed for consistently applying sticker labels on a number vessels (jars, bottles, containers). It'll help you place the label perfectly level and at the same height every single time. The notches for sticker height are in increments of 5mm with different starting levels on each sides of the columns. See images. There are 3 configurations for the sticker placement varying in width. You can try different setups to suit the size of your vessel. See images. 1.8 cm (0.7 inches) - 4.4 cm (1.7 inches) - 6.5 cm (2.6 inches) Base Dimensions: Width: 12 cm (4.7 inches) - Length: 10.7 cm (4.2 inches) - Height : 1.6cm (0.6 inches)