RIDGID introduces the 15 Amp THRUCOOL 7-1/4 in. Worm Drive Circular Saw. The RIDGID THRUCOOL 7-1/4 in. Worm Drive Saw has upgraded to a THRUCOOL motor to optimize performance. THRUCOOL Motor Technology allows air to flow through the center of the motor and out the sides for more efficient cooling. This saw uses top of the line technology to improve speed and performance while also keeping the saw lightweight and compact. The THRUCOOL 7-1/4 in. Worm Drive Circular Saw includes the 7-1/4 in. blade, hex key, and an operator's manual. 15 Amp motor delivers full power in a lighter, more compact size Visible oil sight to quickly check oil for easy maintenance 0 to 56 bevel detent system positive stops at common cut angles for quick adjustments Sky hook integrated rafter hook for easy storage Cast aluminum base engineered for improved durability on the jobsite Protected cord relief durable cover extends cord life Includes: (1) THRUCOOL Circular Saw, (1) 7-1/4 in. blade, hex key, and operator's manual