1517 is a 1.50" x 1.50" fractional 15 series quarter round T-slot profile with a 1.123" radius curved back and two open T-slots, one on each of the 1.50" profile faces. The profile has align-a-grooves to assist in alignment when connecting profiles. The 1517 profile is compatible with 15 series fasteners. This profile lends itself to large workstations and displays it provides an aesthetic appearance and panels or other support structures can be easily placed in the T-slots.