The 4-1/2 Trim Square is an everyday carry layout solution. The compact square is 35% smaller in size to easily fit into tight work spaces as well as yThe pockets and pouches. High visibility laser etched markings will not wear off after heavy use. providing you withconsistant high visibility throughout the life of the square. A 1/4 & 3/8 dual measurement heel also allows you to perform quick marks. The trim square is backed by The MILWAUKEE Limited Lifetime Warranty.