15 Series 1.5″ x 3.0″ SMOOTH Heavy T-Slotted Aluminum Extrusion.

SPECIFICATIONS:
Weight = 2.586 lbs/ft (3.848 kg/m)
Estimated Area = 2.155 in2 (13.903 cm2)
Moment of Inertia = Ix=0.502 in4 (20.895 cm4)
Iy=1.877 in4 (78.127 cm4)

These extrusions are 100% compatible with the following manufacturers:

• 80/20 #1530-S
• T-SLOTS #650008
• FRAME-WORLD #EX-2
• McMaster #47065T109

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″.