The STILETTO 4-1/2in Trim Square is designed for precision and efficiency, ideal for finish carpentry. Additional scribe holes aid in laying out common angles, ripping boards, and setting saw blade height. The 1/4in and 3/16in revel gauge help quick set door castings, while the bottom heel ruler provides marking versatility. The 4-1/2in Trim Square is fully machined, with an anti glare finish and the most durable coating.