Upgraded 14 A motor for longer saw life. Spindle lock makes blade changes a breeze. 51 deg bevel with positive stop at 45 deg for added cutting capacity. 2-point line of sight cuts straight lines with ease. Improved dust blower keeps line of cut free of sawdust. Power-on indicator for powered tool alert. Lighter weight design for less user fatigue. On-tool wrench storage for quick and easy blade changes. Safety lock/guarded trigger minimizes accidental starts. Anti-snag lower guard reduces snags when making narrow cut-offs. Rear lever depth adjustment quickly assures desired cut depth. Includes one 5180 circular saw, one 20-tooth carbide blade and 1 blade wrench.