Center Finding Rulers (ARC12): Quickly find the center of anything by matching up the measurements on each side of zero. This ruler is made to help students in measuring, dividing, and gauging layouts. These centering rulers are designed for accurate and reliable measurements to make every project easy and accurate. Constructed of solid aluminum, this center-finding ruler is made lightweight and long-lasting, so you can use it for many projects to come.
Alvin Arc24 Aluminum Center Finding Ruler, Silver
12.5 Center & Border Ruler, Sew Biz : Sewing Parts Online
Embellish Centering Ruler Rocky Mountain Sewing and Vacuum
Centering Ruler 12 – Maker's Leather Supply
Westalee Design Adjustable Locking Rulers
An Ultimate Centering Ruler Bundle – Hope Yoder
This 12 inch ruler is made from the same acrylic as the Maker’s Leather Supply Templates. It is thick enough to withstand everyday use yet thin enough
TandyPro® Centering Ruler - 12
Centering Ruler by Sew Biz - 12.5 x 2 - 0089109001193
Maxsold
Zero Centering Ruler 12
Westalee Design Adjustable Locking Rulers