Acrylic T-Square 18 inches

Constructed from heavy clear acrylic and featuring a graduated (inch/metric) blade, the unique detachable head design allows easy transport. The blade can be used separately as a straight edge and ruler.
Available in multiple lengths
Detachable head- turn this T-square into a regular ruler by taking the head off.
Fully transparent blade to see the surface underneath being measured.
Inches and metric graduation