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

SPECIFICATIONS:
Weight = 1.110 lbs/ft (1.652 kg/m)
Estimated Area = 0.925 in2 (5.986 cm2)
Moment of Inertia = Ix=0.194 in4 (8.075 cm4)
Iy=0.194 in4 (8.075 cm4)

These extrusions are 100% compatible with the following manufacturers:

• 80/20 #1515L-S
• T-SLOTS #650006
• FRAME-WORLD #EX-6
• McMaster #47065T102

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″.