The circular saw comes in many shapes and forms, from
different manufacturers, Skill Saw, Dewalt, Hitachi and Porter Cable. I
work on the West Coast of the United States where it worm drive skill
saw is the most common circular saw used. On the East Coast they use
Sidewinder circular saws were the motor is attached directly to the saw
Please note the circular saw is a dangerous tool is used improperly. Use safety goggles and common sense when cutting wood for your stairs construction or other home projects.