Incra T-Rule

The Incra T-Rule is a series of metal rulers with precise slots and holes located throughout the length of the rule in 1/64, 1/32 and 1/16 increments.  Combine one of these highly precise rules with a mechanical pencil and accuracy is nearly fool-proof.  The old adage “measure twice, cut once” still applies, but now you’ll know that mark you made for the cut location is actually dead-on.

What’s Included:

Packed in a simple cardboard-backed package, the Incra rules fly solo.  You’ll receive the rule assembled.  It’s made of a metal rule, two thumb screws and a small piece of t-track.

Incra, the company (link):

Not much information could be found about the company.  More will be made available as it is found.

Design & Use:

Simple elegance, the t-rule has become a favorite of mine.  Many times I walked right by it not taking a second look until a friend of mine was bragging about his.  I took the rule in hand along with a mechanical pencil and began to mark-out a tenon.  Previous to this product, most of my woodworking marks were made with a standard #2 pencil and my Starrett combination square — which is highly accurate, however  the pencil and human involved add to the inaccuracy.

With the Incra T-Rule and a human armed with a mechnical pencil, the chance of being inaccurate due to measure becomes significanly less.  This is because of the T-Rules design.  It provides small slots and holes throughout its length at every measurement down to 1/64″.

To use the T-Rule, simple hold the red T-track to the edge of the board, find the measure you want to mark, instead the writing end of the mechanical pencil in the slot/hole & mark.  You can also pull the T-Rule parallel to draw a longer, precise line.

Purchasing Advice:

If you are doing any kind of highly accurate woodworking, such as furniture making, Buy one.  Depending on the type of work you do, you may need a shorter one or a longer one … but trust me, you’ll find this tool indispensable for accurate marking.  Instead of making marks directly off the reference of another rule and saying to yourself “just cut a smidge to the right of that mark and you’ll be close” … use the T-Rule to make the measurement and simply cut to it!  It’s makes you more accurate, confident, and comfortable.

Images:

Marks are made with a mechanical pencil.

The measurement scale is clear to read and understand.

Marks are even available on the end of the rule.  This could be used for height adjustments (think blade height or router bit height)

The t-track and thumb screws that attach the rule.

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