The term 'Tool Used in the Evening' can be answered with the 6-letter word 'Sander'. A sander is a power tool used to smooth surfaces by abrasion with sandpaper. Sanders are commonly used for sanding wood, metal, plastic, and other materials. They are also used to remove paint or varnish from wood and to shape and finish wooden objects. Sanders are available in a variety of sizes and types, including belt, disc, orbital, and vibrating sanders.