SKIL SPT77WM-22 Circular Saw, 15 A, 7-1/4 in Dia Blade, 0.812 in Arbor, 53 deg Bevel

The original worm drive, lighter and better than ever. At 3 lb lighter than the previous incarnation, this saw is built with rugged magnesium. Unstoppable durability meets lightweight ease for long days and a motor that stays cooler for years of heavy use. On top of our legendary worm drive, you get the best-in-class Dual-Field™ motor, engineered specifically by SKILSAW® for saws. Just bolt on the included Diablo blade and even the toughest jobs don't stand a chance.