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

SPECIFICATIONS:
Weight = 1.045 lbs/ft (1.56 kg/m)
Estimated Area = 0.879 in2 (5.67 cm2)
Moment of Inertia = Ix=0.172 in4 (7.16 cm4)
Iy=0.172 in4 (7.16 cm4)

These extrusions are 100% compatible with the following manufacturers:

• 80/20 #1517L-S
• T-SLOTS #650041
• McMaster #3136N32

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″.