Drills, Hand Tools and Air Tools

Layout and Marking

Accurate marks come before accurate cuts.

Chalk Lines and Straightedges

How to snap a clean chalk line over long distances and how to check a straightedge for flatness so your long reference lines can be trusted.

4 min read

Checking for Square and Plumb

General methods for verifying right angles and vertical lines, from the flip test and diagonal measurements to the 3-4-5 triangle, levels and plumb bobs.

4 min read

How to Read a Tape Measure Accurately

Learn to read fractional tape marks, understand the sliding hook, and avoid parallax and other common mistakes so your measurements are consistent.

4 min read

Marking Knives Versus Pencils

Compare scribed knife lines and pencil lines for precision, speed and visibility, and learn which one suits rough layout, joinery and finish work.

4 min read

Story Sticks and Repeatable Measurements

See how one marked stick records a project's key dimensions, reduces cumulative measuring errors and lets you transfer the same size again and again.

5 min read

Transferring Angles with a Bevel Gauge

How a sliding bevel copies an existing angle onto a new workpiece without measuring degrees, plus tips for setting, locking and using it accurately.

4 min read

Using a Combination Square

A practical guide to the combination square: checking square, measuring depth, marking 45 degree lines, setting heights and keeping the tool accurate.

4 min read

Using a Speed Square for Angles

How to use a speed square to mark quick square lines, 45 degree cuts and rafter-style angles with the pivot point, degree scale and common rafter scale.

4 min read

Using Marking Gauges

How to set and use a marking gauge to scribe lines parallel to an edge, including pin, cutter and wheel types, setting the fence and avoiding tear-out.

5 min read

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