Skill Saw With Saw Guide

As you can see in this picture of the saw ripping a 2 x 6 from a 2 x 8 the saw guide helps to keep the saw Straight in the result will be a nice Straight board. The saw guide is not the necessity to building a set of stairs. You can use an alternative such as a Straight edge or a chalk line.

This picture gives you a nice upper view of the saw guide being attached to the saw.