Omnigrip Rn2518 Non-slip Quilter’s Ruler, 2-1/2 X 18-inch Price: $15.72 (as of 20/12/2021 14:00 PM Details )

  • Omnigrip rectangular rulers are used for strip cutting and trimming fabric edges while quilting or when performing a variety of sewing and fabric craft projects
  • Use with a rotary cutter or straight edge
  • Patented non-slip backing to keep the ruler in place SYVBVmark during cuttingZEQRJ Accurate measurement and laser-cut edges for smooth, deep cuts
  • Patented double-sight lines that show on light and dark fabrics
  • Heavy-duty durable acrylic material
  • Left and right-hand numbering and angle system

Product description

The Omnigrip 2-1/2″ x 18″ ruler is ideal for cutting short strips and sashes; it has an extra 1/2″ for seam allowances.

Additional information

Product Dimensions

18 x 2.5 x 0.1 inches

Item Weight

3.84 ounces


Prym Consumer

Domestic Shipping

Item can be shipped within U.S.

International Shipping

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Item model number


Batteries Required


This ruler is supposed to be non-slip. Mine slips all over the place. Does anyone have any suggestions for making this a true non-slip ruler?

I do not have a slip problem with Omnigrip. I do however have some other brand quilters rulers that slipped. I purchased small stick on circles made especially for this purpose. They look like hole punch reinforcements I used to get for school papers years ago. You peel them off a sheet and place the circles on several areas on the back of your quilter ruler. You can even use the donut hole piece on smaller rulers. Also, make sure you are holding the ruler firmly when cutting because the pressure used on the cutting blade going through several layers if fabric and pressed against the ruler edge can "move" even a non-slip ruler if not enough pressure is used in holding the ruler in place. Omnigrip just helps the cause. I love all my Omnigrip rulers.

Is this a flexible ruler?

No, this ruler is a stiff ruler. Its thicker so you can use it with a rotary cutter.

How tall is this ruler

It does say 18 inches and that's what it is.

Confused about width. Is this ruler a total of 2.5" or does it have the seam allowance on sides making 3?

Mine is 2.5. That way I end up with 2 inch strips. Seams are 1/4 inch

Does this ruler have the holes cut out along the center lines for marking your fabric?

It does not, It only has one larger hole near the top, used for hanging.

On the 2.5" x 18" ruler are the green lines opaque or semi transparent?

Opaque. For some reason that makes the black 1/8 and 1/4 inch lines show up better. This has become my favorite ruler.

Does this ruler have 1/16" increment markings?

No, only 1/8".

What makes it grip?

It doesn't grip, the brand name is Omnigrip.this is a good ruler for making 2 1/2 strips, and for quick measure ups and squaring but it doesn't grip. Has become one of my favorite rulers, use it all the time.