The Makita 16-5/16 in. Circular Saw is powered by a 15 AMP motor with 2,300 RPM, and has a large cutting capacity to handle beams, timber, and large pressure treated lumber. It will cut 6x material at 90 degrees and 4x material at 45 degrees in a single pass.The 5402NA features a shaft lock for quick blade changes, a large depth control lever for secure adjustments, and an oversized trigger handle for added convenience. Other features include lower noise (only 87 dB), and a blade stabilizer for consistent blade rotation. Includes a carbide tipped blade.