15 Series 1.5″ x 1.5″ SMOOTH Ultra-Lite T-Slotted Aluminum Extrusion.

SPECIFICATIONS:
Weight = 1.090 lbs/ft
Estimated Area = 0.781 in2
Moment of Inertia = Ix=0.1802 in4
Iy=0.1802 in4

These extrusions are 100% compatible with the following manufacturers:

• 80/20 #1515-ULS
•  T-SLOTS #650018

Extrusions have a clear anodized finish, and may have one end anodized as well.
They are in the “15 Series”, and have a slot opening of approx. 5/16″ .