Powerful 15.0A/5.5 HP (maximum motor HP) motor provides more overload capacity, increasing performance and durability. Quick-change blade change system increases productivity by providing the user the ability to change wheels without a wrench. Patented Quick-Fence tool-free, 45 deg. adjustable fence allows for fast and accurate angle cuts without using a wrench. Quick-Lock vise allows for fast clamping on different size materials to increase productivity. Soft start extends gear and motor life by reducing start up torque. Ergonomically designed D handle provides a more comfortable hand position reducing user fatigue and increasing productivity. Extra wide solid steel base provides increased stability when cutting longer material. Heavy-duty lock down pin allows head of the saw to be locked in the carrying position without the use of a chain. Heavy-duty compression spring provides smooth movement and greater durability than torsion springs. Spindle lock allows user to make wheel changes quickly and easily saving time and money. Large cutting capacity (5" round/4-1/2" x 6-1/2" rectangle) provides the ability to cut a wide variety of materials. Adjustable spark guard allows user to channel sparks. Easily accessible brushes allow for convenient servicing on the worksite minimizing downtime.