15 AMP, 4400 RPM Motor delivers maximum cutting performance, won't bog down under load. Hardened steel worm gearing provides maximum torque in the toughest applications. Magnesium construction makes the saw extremely durable and lightweight. Durable Worm Drive Gear lasts up to 5-times longer than hypoid gear. Composite shoe does not warp, bend, or kick up burrs. Folding rafter hook allows for quick, convenient storage of tool on a rafter, joist, or nail. Highly visible depth and bevel scales are visible from behind the saw body - provides quick, accurate adjustments. Oil site gauge allows user to instantly gauge oil levels