Seam Guide Ruler and Magnetic Seam Guide

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Is perfect piecing your thing? Do you want more accurate seams? Me too! I love this combination of the Seam Guide Ruler and the Magnetic Seam Guide for helping me get (and keep) the perfect seam allowance.

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Product Info

Seam Guide Ruler and Magnetic Seam Guide from Madam Sew

With this Seam Guide Ruler, you can set your stitches accurately on any sewing machine. With the free Magnetic Seam Guide you can easily keep that exact distance when sewing.

Is perfect piecing your thing? Do you want more accurate seams than your sewing machines’ needle plate markings are able to give?

There are 16 little holes in the MadamSew Seam Guide Ruler which are made to insert a sewing machine needle. Use these holes to measure your seam allowances accurately from ⅛” to 2” and set your stitch on your sewing machine. The fluorescent green color of this seam gauge makes it highly visible against all fabrics.

  • Material: sturdy, transparent plastic
  • Dimensions: 5 ½ x 2 ½ inch
  • Markings: 
    • 16 needle holes for following seam allowances: ⅛”, ¼”, ⅜”, ½”, ⅝”, ¾”, ⅞”, 1”, 1 ⅛”, 1 ¼”, 1 ⅜”, 1 ½”, 1 ⅝”, 1 ¾”, 1 ⅞”, 2”
    • ⅛, ¼, and 1-inch markings on 2 sides
    • a 45° line
    • a ¼ inch pivot marking cross

Also included: The Magnetic Seam Guide with this ruler to make sure you keep that exact distance while sewing. You can just attach this little metal seam guide temporarily on most needle plates or metal sewing machines. The seam guide will not shift when you are sewing.

  • Material: Steel
  • Strong magnetic in the middle
  • Dimensions: app. ½ inch x 2 inch
  • Weight: 1.09 ounces

Note: For ¼ inch seams you will need to either place the magnetic seam guide before the presser foot, if you can on your machine, or move your needle all the way to the right, so the seam guide doesn’t get in the way of your presser foot.  For less than ¼ inch seams, use washi tape instead of the magnetic seam guide.

For more information – check out the video: Seam Guide Ruler Video

Other than my own patterns, quilt labels, and other printable designs – most of the items in my shop link to affiliate partners – in this case – MadamSew. Working with partners – I can search out and offer you the best of the best items in each category – without having to stock that item on my physical shelves. This saves you time and the energy of having to search out these items on your own.

Will I earn a small commission – should you decide to make a purchase? Maybe, I hope so. Does that change the price you pay for each item? Not in any way – you only pay the listed price for any item you choose to purchase.


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