The primary components of the combination square are the Blade, Square head, and Locking bolt.

The accessory components and their uses are:

1. Square head

   1. A 90-degree face and a 45-degree miter face

2. Center head

   1. Accurately find the center of cylindrical or square stock

3. Protractor head

   1. Marking angles from an edge

How will you utilize the combination square in Carpentry?

1. draw precise 90° and 45° lines on wood, check for squareness in workpieces and tools

How can becoming proficient with the combination square improve the quality of your work?

1. improves work quality by increasing precision, accuracy, and consistency in project layout and machine setup