Square U Channel Compare Item # Total Height (C) Slot Diameter (A) Leg Width (B) Slot Depth (C) XU-0750-01 1 1/4 in 3/4 in 1/8 in 1 1/8 in XU-0500-01 3/4 in 1/2 in 1/8 in 5/8 in XU-0375-01 19/32 in 3/8 in 3/32 in 1/2 in XU-0250-01 3/8 in 1/4 in 1/16 in 5/16 in XU-0188-01 7/16 in 3/16 in 1/16 in 3/8 in XU-0125-04 1/2 in 1/8 in 3/32 in 3/8 in XU-0125-03 5/8 in 1/8 in 1/16 in 9/16 in XU-0125-02 5/16 in 1/8 in 1/16 in 1/4 in XU-0093-01 5/8 in 3/32 in 5/64 in 7/16 in XU-0078-01 23/64 in 5/64 in 5/64 in 15/64 in XU-0062-01 3/8 in 1/16 in 1/16 in 5/16 in XU-0031-01 3/16 in 1/32 in 1/16 in 5/32 in Downloads Extrusions and Tubings Rubber Technical Information and Reference