A scale is a device that is used to measure the weight of an object. There are many different types of scales available, including those that are designed for use in a variety of settings and for a variety of purposes. The Proscale 666 (666g x 0.1g) Single Point Scale is a digital scale that is capable of measuring weights up to 666 grams with a resolution of 0.1 grams. It features a backlit LCD display that allows the user to easily read the weight measurement, and the cover of the scale doubles as an expansion tray that can be used to hold larger items. The Proscale 666 is a low-cost scale that is well designed and well built, and it comes with a 25-year manufacturer's warranty. It may be suitable for use in a variety of settings, including in the home, office, or laboratory. However, it is important to follow all instructions and warnings provided by the manufacturer when using any scale or other measuring device.