INCRA Centering Rule User Manual

Center finding, Easy and accurate, Protractor feature

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Center Finding

To find and mark your center:

Position the centering rule so that it shows

the same measurement at each edge of

your workpiece. Place your pencil in the

zero hole and twist the pencil to leave

your center perfectly marked.

Easy and Accurate

To mark with a 0.5mm

Mechanical Pencil:

Just hold the pencil

vertically and draw a short line in one of

the slots, or twist the pencil in a hole to

mark a dot.
To mark with a Wooden Pencil:

First, sharpen the pencil, then twist the

lead once or twice in any one of the

holes to give it an ultra fine point ready

for marking.
To mark with a Metal Scribe or

Center Punch:

Any scribe or center

punch sharp enough to fit through the

holes can be used. Use finger pressure

ONLY to mark a precisely located

“dimple” in soft materials such as wood,

paper, plastic, brass or aluminum.
DO NOT

damage your precision rule by

pounding the point through the hole

with a hammer.

When accuracy counts …

INCRA RULES!

Manufactured by:

Taylor Design Group

P.O. Box 810262

Dallas, Texas 75381

www.incra.com

INCRA is a Registered Trademark

of Taylor Design Group, Inc.

©2013 Taylor Design Group, Inc.

12" Precision Centering Rule

Put YOUR Mark on Precision

Any rule can just

measure, but only

INCRA guarantees

YOUR mark of

precision on

everything you do!

INCRA RULES are available in many

other popular styles and lengths.

You’ll also find your centering rule handy

for laying out a series of measurements on

either side of any known starting point.

Simply scribe a line at your starting point,

align the zero with your mark, then twist

your pencil through the hole at each of the

desired measurements.

Protractor Feature

Locate the

vertex on your

drawing:

Draw two

perpendicular

lines that

intersect at the

desired vertex.
Position

protractor and

mark your

angle:

Use the windows

feature to align

the protractor

with the vertex

on your drawing.

Place a mark at

the desired angle.

Vertex

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